White males are still the plurality in the US dating market. If just the top 20% of those get dates, that leaves millions of US men lonely.
At the same time, the Tinder and the OkCupid markets are slightly different (but overlapping) markets; the less strictly hookup-oriented women on OkCupid might accept a wider range.
Going theory:
If you are constantly told "you are the most attractive category" and yet your personal experience is of not being attractive, you will wonder why that is.
If you have underlying assumptions about the attractiveness of certain qualities (wealth, success, etc), and yet having them is not felt to impact your personal dating experience, you will wonder why that is.
If you are told that your demographic category means that you _should_ be successful simply by virtue of being in that category, and yet you feel you are not, you will wonder why that is.
After that, I think, simple https://www.lesswrong.com/posts/DB6wbyrMugYMK5o6a/correspond...
I would assume asians and indians would subscribe to it even more
Just look at attractiveness ratings between sexes and races[1]. White men are consistently rated as the most attractive, with black women faring least well.
Genuine question: why are the people who subscribe to this world view predominantly white men?
[1] https://theblog.okcupid.com/race-and-attraction-2009-2014-10...