Twitter will do whatever the hell it wants on its own property and has no obligation to listen to anyone except the voice of 51% of its shareholders.
If you don't want your communications to be under the total absolute control of a corporate entity you have no influence over, you might want to pack your bags and get off for profit social media.
You don't need to have an "argument" about "policy" on your own Mastodon instance. If upstream does something you don't like, you fork it. If another instance does something you don't like, you block it. Because thats actually your platform then.