As I said, neutral doesn't equal indifferent. To be neutral would require to respect different views, even silly ones, but indifference needs more, it requires that you tolerate open acts of promoting harmful real life actions. Those need not to be illegal. In the US promoting hate speech, racism and sexism and promoting dangerous actions like ignoring public health requirements and promoting uproar, terrorism and such are clearly legal, but showing a person nude clearly violates state laws. Would you want everybody to stay "neutral" when haters organise themselves using this platform in oder to set your home at fire while you are sleeping?
No because morality and politics are too closely interrelated. For example condoning acts of genocide in the name of white nationalism is a politically held belief as well as something abhorrently amoral. This is why Republicans think Google or Twitter are out to get them, rather than question their disgusting views on things it's the fault of the arbiter, according to them.
Nah, in some way or another everything is political, and 'keep politics out of school/work/sports' is usually shorthand for 'I don't like/agree with the politics I just heard' anyway the bigger a platform gets, the more politically engaged it will have to be - sometimes dragged kicking and screaming into it
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