It kept you busy for a while though 
Quite so; this is because there is little useful purpose to be served simoply by describingh something as nonsense without attempting to justify such a statement.
I've no idea of their pricing structure
No - that much is failryu obvious, but I do not seek to criticise you for that lack of knowledge.
According to them "This leaves Hyperion in a very precarious position. The company is small and operates independently of any financial support and survives solely on the sales of classical recordings in an extremely competitive marketplace flooded by cheap product.
It is certain that the future return from sales alone is not enough to cover its legal settlements and continue its mammoth recording schedule."
"The collateral damage caused by this decision not only will affect the prosperity of the company..."
Which begs to differ afaict and was the source of my description.
What I have said is that, whilst it has indeed affected Hyperion adversely (indeed, how could it possible have done otherwise), it has not put them out of business; as I also implied, however, were there to be widespread repetitions of Sawkins cases, Hyperion and other record companies might well go out of business.
However, if you have first hand information to the contrary [and your information on their CD pricing / profitability and knowledge of their accounts suggests you perhaps do. Unless you are just making stuff up

]
I have no interest in "making stuff up" here, but at the same time I do not claim to have first hand knowledge of Hyperion's accounting; what I do know is shown in the example I gave (which is from a different record company) which demonstrates that, even without the copyright cost issue, the making of "classical" CDs is for the most part a pursuit that is likely to generate very little net profit in many cases - or certainly not more such profit than can reasonably be ploughed back into the business to help to fund future recording projects.
Speak up, especially, if, as you say, some have paid money. Those who donate or have donated probably thought the company was in financial difficulty, contrary to what you seem to be saying here.
I applaud the donors of money here, because whilst their donations will not have been necessary to save Hyperion from going out of business, they will have been vital in injecting the kinds of money that may help to ensure that Hyperion does not have to shelve or postpone specific future projects.
Most recorded work has, pretty much unquestionably, the copyright that Hyperion believed to be expired on the genre they sell. So any other record company is likely to pay up front for the rights. Occasionally you see record companies coughing up for a piece of obscure music they've pinched
This is not true. Copyright laws and periods have admittedly been a thorny issue over the years, especially to the extent that different countries have operated different laws and periods. Nowadays, many countries have settled on a period of 70 years following the originator's death. It therefore follows that, when Hyperion or other companies record music written by composers who died before 1935, the only established copyrights that may pertain will be in the hands of publishers (if any) rather than the composers' Estates - in every other respect, such works will be in the public domain. As I stated, a separate copyright is established when a recording of copyuright or public domain material is issued, but that is the record companies' copyright in the recording itself, as distinct from the material so recorded.
I see no reason why anyone should not seek donations either. That doesn't change or alter my opinion that folk shouldn't donate in this case for the reasons given.
You are, of course, as entitled to your opinion in this case as are all those who have donated to this cause entitled to the contrary opinion.
Unless your premise is that they run a not-for-profit enterprise, the point remains. IF they had made millions they wouldn't be sending us cash. Remove the "millions" and put "profit" until you've finished the research.
I've not suggested that Hyperion runs any such enterprise; they don't, either. I must add here that the word "millions" in the present context is not my choice but lifted from your text.
If it sounds completely off the wall, consider they started the business in 1980. i.e consider classical music sales over that period. Globally ~$2billion in the early 1990s for example. Consider, whether, from those figures, you believe they thought the business would be a successful venture tapping into that market. Or, more like your anecdote hopes to show that classical music labels are set up as an onion passing favour to classical musicians and fans.
What I wrote did not seek to - and does not - do either of these things. To begin with, the figure you quote for global sales takes no account of the amount of profit generated by such a turnover; neither Hyperion nor any other record company with any sense of the realities of the market place and of accountancy would make any such assumption based purely upon global turnover alone. Some of the surviving "classical" record companies make sufficient profit to keep going and they help to provide a platform for performers and composers, but one would no more go into the "classical" record company business for the principal purpose of making megabucks than one would go into a career composing concert works for the same motive (and I should know, having gone into the latter).
What I meant was that if someone did the work that the Dr did, they could issue it with some public domain license, so long as they don't start from (c) work of course, but that isn't an issue. This Dr. hasn't establised a (c) on anything other than his work.
He has only even done that with the endorsement of the English courts - and he was paid a fee by Hyperion for his work in any case.
Similarly, any other "editions" that are now potentially (c) by the author / editor of the edition, because of any precedence in the ruling, does not stop altruistic individuals from creating their own public domain editions. The sky isn't falling in that respect.
In the case of The Sorabji Archive, whose founder and curator I am, the new editions of Sorabji's scores (all of which remain in copyright until 2058) are each invdividual editor's copyright; this is as it should be, but it does not affect the copyright in the material they have edited, which reamins intact.
So don't send them money, send them your edited manuscripts so they can record and sell them

Hyperion won't do anything of the sort; they will, as they and other such companies have always done, decide which works, copyright or otherwise, that they wish to record and then plan recording and release schedules accordingly.
Whilst there has clearly been much with which I take issue in what you have written, I do appreciate that you are at least taking this vitally important topic seriously.
Best,
Alistair