lemmy.world is run by the same people as mastodon.world and it is already donation funded. They post financial updates on their blog: https://blog.mastodon.world/

No matter how politely stated your disagreement is, if it boils down to “I don’t think I should have to respect trans people’s identity”/“I don’t think trans people should have rights” then it’s transphobic and I’m 1000% fine with that being bannable