Masking works. Claiming otherwise is boomer-tier stuff from early 2021 or something.
The vaccine does stop infection and therefore transmission. Efficacy against mild infection from Omicron is weaker but 3x doses gives ~50-60% protection in studies.
I don't literally hate antivaxxers. I think it's tragic that they fell for antivaxx propaganda that people like you (often unknowingly) push. Many will die because of it.
I'll admit that I feel a little ill-will toward people like you. You should know better, but you let your political caveman brain take over and babble all sorts of antivaxx and antivaxx-adjacent stuff without double checking, and this is legitimately harmful.