The "private company can do whatever it wants" crowd will not show up for this one because it doesn't suit their politics
I've said it before, and I'll say it now: private companies can ban what they want! It's good for corporations to have ethics, even if I don't agree with said ethics, whether it's banning Gab or this. It's their constitutional right, and it's a responsibility that comes with having the power they do.
1990-2010's Internet didn't have this problem.
Nobody cares if Xbox bans your game. There are a dozen plus other platforms. But if Apple or Google say no, you're toast.
We need a bill of rights to protect us against megaplatforms.