[freeone3000]

He says most restaurants are. There's no money in one-off webdev consulting for low-margin businesses, which is why you won't hear it as a pitch - it's solved with a single webpage with a phone number, or maybe a Google Sheets frontend. There's so much human in the backend there's not a ton of point automating the frontend.

[munk-a]

There might be some space in trying to tailor an out-of-the-box frontend framework to restaurant ordering. But honestly you might get out-competed by wix/wordpress/whatever if they ever invested a pretty trivial amount of effort into targeting you - it'd be a thin thin margin to walk.