> Maybe they'll yank the Apple Music app from the Android app store or something.
There are contractual obligations for both parties. Taking retaliatory action that is not permitted by the terms of the contract will result in a lawsuit.
"The rules" were not given by God, government or the people. The rules were written by the same company that enforces them and Google, Facebook or anyone else can make the same type of "Rules".
The rules were mutually agreed upon in their enterprise account legal contract someone signed. That legal structure is acknowledged by the government and implicitly the people.
If you've done business with Google or Facebook, they behave _exactly_ the same way.