To be fair, it's hard to expect to make much of a profit when there are 22 companies out there already selling the same exact product. Online dating is pretty much dead as a direction for new startups to pursue, one big red ocean at this point, and there's no clever play left in it that would set a new players in the space apart.
I don't see how consolidation into a couple of major players swallowing most of the companies in the space is avoidable. It's Booking Holdings vs Expedia Group all over again.