The only problem I see in "minhogang" opinion is that this is not helpful for everything.
This will works fine if you want a "standard" playing with a conservatory-like tradition. Which is not bad at all.
But these exercises books will not be too helpful to repertoire after 1900 for example, and sometimes even for Chopin or Liszt and the 1800's... normally they are too much "classical" (meaning the period of music history)
And again, I'm always sad to see that people often mention Chopin etudes are "very hard".
We had a great evolution of the piano playing after Liszt; Now Chopin is basic repertoire, standard, not "very hard" or "virtuoso".
These are wonderful etudes, but the lack of knowledge of repertoire is the main problem I think.
Of course most part of pianists use to keep this "tradition" so it is easy (if you have a good marketing) to say you are a great master playing Chopin etudes.
Anyway, It is so easy to list a lot of etudes which are so far much harder than any Chopin etude (and I'm not thinking about contemporary stuff, we can stay with the romantics and find much more challenge than Chopin etudes)
All Chopin etudes can be played by an student today, I have seen children playing almost the complete sets of Op10 and Op25 when they enjoy the music. (and sometimes because their fathers enjoy...)
And I agree, playing exercises do not make you a pianist.
And you need to play with emotion, but I add: "playing with emotion" is very subjective.
One can say "Michelangeli played without emotion" and hate him
other say "Michelangeli played with emotion" and cry listening to him
this is our personal taste, this is not a rule for the art
Was Michelangeli thinking his recording was played with emotion? Maybe that is a question without answer now...?
Usually I say to my students "taste is enemy of art"... then I start to teach about contemporary composition, repertoire and its history.
If I like or not, this is just my opinion, I need to teach and make the art too.
The public decide what they want, and that's all...
If someone from the public don't like you (and no matter what happens, always at least one will not like you) that doesn't mean you are not good or played without emotion.
But ok, you need to think about when all the public ask you to get out!

"minhogang" recommendations are interesting and useful anyway.
Best