I'm sure there's some model with epicycles and epicycles of logic explaining how having prettier programmers (or whatever) make all the programmers they see over the water cooler more productive. But there'd have to be actual evidence of that.
If you had to hire one of two people, both equally qualified except that one was much more physically attractive, which would you hire ( in a vacuum where there is no legal oversight )?
We are encouraged to accommodate differences to such a degree that I am concerned that we reflexively penalize representatives of the ideal, in favor of representatives of ever greater divergence from the ideal, and to what purpose? If we cannot help being born who we are then some will just be more attractive than others. Rather than letting them coast through life on their looks, we should be encouraging them to develop their other abilities. Perfect facial symmetry for example may indicate a beautiful mind.
So, Katy Perry exists in this alternate universe as well?
There are many ways to be outstanding, why should the pursuit of the outstanding in some areas be any less socially acceptable than in other areas?