Freedom of speech =/= freedom of consequences. If people choose not to associate with you because you support & attempt to normalize a movement that has historically committed mass genocide, or - god forbid - they speak negatively about you in an internet forum 5 years down the line, those people are just exercising their free speech.

Limiting them yes, paywalling them though?

Look up Twitch Ad Solutions, there’s a github page where you can find a couple different options. The Alternate Twitch player another commentor mentioned is what I use because I like the adjustable chat and auto-collect bits feature

I haven’t bought Burger King since they started running that annoying fucking whopper ad, literally what pushed me into finally installing uBlock