any kind of dating app is self-detrimental for revenue
It doesn't have to be. In the US, about 4 million people turn 18 every year. Let's say you get all of them signed up and all of them optimally paired off. You still have another 4 million new signups next year. Until the world falls off a demographic cliff, you've got an evergreen customer population.
That being said, the well is VERY poisoned at this point. The match group is a cancer on our society.