Okay, then pop or whatever. My point still stands.
Still not a very good comparison, as Scorsese doesn't say the MCU aren't movies. That would be silly, as they are very clearly and obviously movies. He sayd that doesn't consider them cinema, which in his eyes (and in the eyes of many film enthousiasts by the way) denotes a form of (high) art; films that straddle deep topics and themes, have a strong focus on character or try to rebel against the status quo. All stuff that the MCU doesn't really do (there are some MCU movies that try to tackle deeper themes, but none of them fully commit, except maybe GotG2).
They're just fun mindless blockbusters that serve a big audience and while there's nothing wrong with that, it's easy to see why someone who has spent an entire career making hugely influential movies that constantly challenge the status quo and is heavily involved in perserving film history, wouldn't consider mass appeal blockbusters that rely heavily on CGI battles 'cinema' (meaning, high art).
To make your comparison better, this would be like Kate Bush saying she doesn't consider Taylor Swift music high art. Which, I think, most people wouldn't really disagree with.
And if he said "this isn't the kind of thing I look for in cinema" instead of "this isn't even cinema" I'd have no problem with what he said. I don't give a shit if he doesn't like Iron Man; I do find it dumb for anyone to say the movies they don't like aren't even movies.
He isn't. The terms 'cinema' and 'movies' have wildly different connotations among film enthousiasts. Saying something isn't cinema (in your opinion) doesn't mean they're not movies.