Well I think that an "official" ranking system would cause all kinds of arrogance, fighting, and trouble for the administration.
But I think that an unofficial ranking system would actually be nice. Each member could just list their degrees, profession, or what they perceive as their proficiency level in piano. Whatever they want to say about themselves to make it easier for us to know where they are coming from would be fine.
OR we could have a voter approved ranking system. That would be super fun. We could rate each post on friendliness and usefulness.
I think it could potentially serve as a minimizer of those who have a lot to contribute but that "just missed" the status.
And to those like me that missed by some considerable distance.Thal
From what I can figure out, someone who meets all that criteria wouldn't be on a forum. It's not serious enough. Occasionally maybe or the very few. There's probably not much in it for them.