It allows them to speak without legal repercussions from the government. The first amendment doesn't say "Patreon has to allow any hateful dipshit to use their service"
You're reading me completely backwards. If Patreon are collaborators for allowing Nazis to use their platform, then are we collaborators for allowing Nazis to have free speech in our country?
If the answer to the first is "yes", then why is the answer to the second "no"?
If the answer to the first is "yes", then why is the answer to the second "no"?