i honestly don't know other activist transphobes than the completely brain-melted kind. The main difference is if they're ex-feminist-turned-fascist, clericofascist, or techbro fascist, but all of them are rotten, vile, totally unhinged monomaniacs.
I hope someone does their psychology PhD dissertation on 4chan and the brainrot its spawned in younger generations, chan culture has undoubtedly preserved boomerism by repackaging it as something hip.