Just like in a night club or country club, the house is free to set whichever memebership rules it wants, if you don't like them you are free to go somewhere else.
Unlike the jobs market, the dating market and its (discriminatory) dynamics is not something the government could regulate.
Discrimination law strongly disagrees with you.
http://www.roydenhollander.com/main/ladiesnightdc/LN_OrigCmp...
You're applying this corporate-libertarian ideal to this situation but only a small change to your statement undermines it.
But, why would Tinder control a public square?
I asked because the response to that question helps me understand w the point of view one is coming from
Just because there's publicly funded precedent, doesn't mean it's not something that should be tackled and fixed.