If they honestly wanted to help people get together there are a lot of things you could do in terms of mechanism design, but as it is they get paid through monthly subscriptions as opposed to when people pair up so they have the wrong incentives. It doesn’t help that almost all of them, except for Bumble, are owned by the same company, Match Group. There ought to be an antitrust lawsuit!

There is a fundamental problem though that the perception that you have unlimited choice can lead you to never settling down because you always imagine that if you keep looking you’ll find somebody better. Falling in love requires you, for at least a while, believe that that person is absolutely singular and unlike everybody else as Stendhal writes in the classic On Love a.k.a. “Love the one you’re with”

See https://www.amazon.com/Why-Love-Hurts-Sociological-Explanati...

If I was really going to “do something about it” I’d try to put couples through a structured experience, see

https://www.theguardian.com/lifeandstyle/2015/jan/14/love-is...