There is a more crude corollary to this theory that I chose to omit for decorum's sake:

P = P

More like beautiful people are less likely to be into weird stuff probably.

[delayed]

Based on what?

From observation, it seems Starbucks/High-end coffee chains attract easier looking staff. At the end of the day, you are going to get the higher paying job, and the higher paying job can afford to select the easier looking ones.