Only in some business models.

You could brand yourself as the "one and done" dating site of you're really that good.

Or, come up with a payment model that's more like an a recruiter where you get paid when there's a match (assuming you can verify a successful relationship).

It's challenging but I don't think the industry is doomed towards conflicting interests for users and match makers.

> The faster you find a real partner, the less money the app makes. And the quicker its userbase shrinks.

Assuming word-of-mouth promotion doesn't do anything beneficial for the app makers.