I don't think this counterargument holds. It's a hell of a lot easier to get a customer who already paid once to pay a second time than it is to get a customer to pay for the first time. Also, I think most people are well aware that by and large, dating apps have a very low success rate for the majority of their users. People use them anyway.
Since your marginal costs per customer are veeeery low, you can hammer thm with 50-60% discount, which ends up on most platforms at 10 - 20 bucks per month, and if you make 3 - 4 dinners, you get much more out of it than an evening in the cinema