Honestly all you can do is ignore it and remind yourself that people online are stupid and mean for no reason about things that don't affect them. Block and mute very liberally because you will be so much happier if you do. I know it's easier said than done but eventually if you tell yourself enough that it doesn't matter what anyone else thinks and then follow through with that by blocking people, you will start to feel better and the discourse will start to feel silly and inconsequential to you. I've had anti-fujos in my retrospring since like March/April calling me a fetishizer/pedophile/misogynist and I still get those types of messages but I've started to just delete them because it was really getting to me for a bit and I feel much better when I disengage with it all.