>It's equally trivial for a restaurant to set up a custom domain with their own 2-page website (overview and menu) on any of a hundred platforms that provide this service.
Sure but they don't want to. If you want to see the menu they have online you need to follow their rules, not your own.
Sure but they don't want to. If you want to see the menu they have online you need to follow their rules, not your own.