There are many ultra wealthy people that recognize declining birth rates and population will destroy economic growth, and that this isn't a problem that can be solved with more competition.
In software, when there's a technology that can benefit everyone in an industry but individual control creates perverse incentives, companies will band together to create standards organizations or non-profits to harness the tech in a way that benefits everyone. This already happens with the Linux Foundation and open-source more generally.
Dating apps should have the same model because the negative externality of a perpetually single society is going to kill the economy and possibly destroy the world.