You don't even see ads for local restaurants, you just go there because its close or a friend recommended it. How could you get influenced by something that doesn't exist? Their marketing is just the storefront, people go there since they are interested in this new place.
Google Ads, especially Google Maps, has tons of paid ads for local restaurants. So does Uber Eats and similar ilk.
I particularly despise these ads in Maps because the ad often obscures the search result I'm looking for -- and I end up accidentally clicking on an advertisement for some other restaurant than the one I was looking up.
They definitely spend on ads but I worked at Red Lobster a few years ago, I definitely remember TV ads. Now and then I get a food ad for a place I'll never go to and never do. Uber Eats is trickier because I just look at the map for whats closest to me.