In other words, put your money where you mouth is. But I have read that they make $2 billion a year on this. So why would they give that up when people are giving them credit without actually changing something crucial like that? It's too much money.

I think it comes down to legal manipulations rather than PR. If someone can find a legal way to force Microsoft to stop the exfat stuff, maybe with some other Linux related patent litigation, then they will. But it might need to be worth $2 billion which is a pretty big ask. On the other hand other large corporations have a lot invested in Linux and certainly some of those executives must be able to see through this PR so maybe they can do something.

I wonder if there is any possibility of dropping exfat entirely over the next few years.