As sibling comment says, without force behind it it's not in fact censorship. It's free speech. He doesn't want to support certain speech and is taking action a

As sibling comment says, without force behind it it's not in fact censorship. It's free speech. He doesn't want to support certain speech and is taking action accordingly, and he doesn't want others to either and is saying so and why. Others may choose to agree or not and take action accordingly. He can then react to that. And on and on throughout society. That entire dynamic is the essence of free speech, not censorship.