The easiest way to weed out any form of reactionary sentiment is to call out that kind of sentiment and then bring the hammer down. We've seen this in earlier purges like the pronoun struggles, you can observe the same thing every time in any space where somebody brings up a topic reactionaries find "controversial". People with the views that are called out will feel offended and double down, and it's always in really obvious, blatantly mask off ways. When i've seen misogyny on this site before, it was usually a lot more vague and between the lines, now we have posters outright saying chud shit like