> You do have the freedom of software choice already.

Not on iOS (until next January when regulation kicks in)

My school makes me use Microsoft Teams. In order to communicate with my classmates, I have to use Facebook Messenger. The new law will hopefully resolve that. Are you expecting me to drop out of school instead just so I don't have to use proprietary software?

Not when you can't go to university or get employed without using ms teams.

Or buy second hand without facebook or their properties.

Or contact businesses without facebook.