yes, i agree
is Magnus Carlsen really quitting chess?

He plays more than most other top players. You can follow him play rapid, blitz, freestyle chess etc. almost every week. He just don't play much classical.
That's the equivalent of an NBA All-Star player leave the NBA and instead stream as he plays streetball with his friends.
Classical chess is the real chess, all other formats are just for fun.
That´s your opinion.
Well. That is not how the public sees it. And he has been playing way more classical games than most World Champions before him.