Both Yuja and Khatia are very talented, I wonder why they sell sex (unless they're really desperate for attention). It's one thing to occasionally do something like that for shock value (e.g. Friedrich Gulda) but still, to present yourself as a sex object like so many women in the classical world regularly do as if they were playing pop music looks a bit cringe. It's only a couple of steps away from NSFW stuff like
Beyonce.
It's difficult to imagine a great pianist like Yunchan Lim dressed in skimpy clothes while playing this Liszt etude (as a side note, if you want to know how difficult this is, ask a jazz pianist to play it
).