Sounds like we agree that the water is doing nothing! It’s all about the restaurant making it.
I’ve had great pizza in New York and awful pizza in New York but the same goes for the other cities I’ve visited/lived in. My favorite standard topping pizza is actually from a restaurant in a suburb
They obviously still get the clicks to justify the cost of advertising or they wouldn’t do it. If one of them fails in a decade, no one is going to look back and say it was because they didn’t leave Twitter when Elmo bought it…