People are free to have whatever preferences they wish, but preferences are diverse (rather than being monolithic as you imply), and aggregate preferences are largely irrelevant - if my partner values my ability to do handstands, I need not concern myself with the popularity of handstands.
Handstands wont win you any marriage material partners, though maybe it can win you 1 or 2 numbers in a mall in Vegas. Preferences are diverse, but the same biological needs drive humanity since hundreds of thousands of years ago. Beauty and ambition have both evolved as a result of procreation.
