Earlier quoted context omitted.
Don't prohibit speech. That's it. Repugnance is part of life. If you suppress speech, you only push it underground. Light is the best disinfectant. Daryl Davis, a black musician, attends Klan rallies ( https://www.youtube.com/watch?v=ORp3q1Oaezw ). By knowing who to speak with, he's helped people out of that racist pit. I extend speech so far to include calls to violence. Then you know who to watch and who to protect…
Honestly I think this just doesn't work out this way in reality. First of all, we know that deplatforming racists/fascists does actually help to stop the spread of racist/fascist ideas. Secondly, and I think this is the more salient point, encountering racist/sexist/transphobic/whatever speech as a person who is the target of such rhetoric is immediately harmful and othering, especially when these views aren't active…
I agree with your freedom of association. My only note would be that removing people from the means of financial transactions is the same as limiting speech.