>Third party marketplaces sprung up for reservations, and idk it’s been a while since I went to fancy dinner, but I imagine the restaurants have just started charging. Or at least the first party reservation sites do.

Yes, this is what Tock is for. It's not clear to me that it's a bad thing. It replaces the old $20 in a handshake I used to do with the maitre d at the front of the restaurant. Democratizes opportunity and improves transparency