i think it's not just specifically vaccine discourse, but Q anon and american conspiracy culture in general. it's EXPLODED in popularity among women since the beginning of 2020, worming bizarre american fascist ideas into their brains under the guise of it being about protecting children. i think that's the 'pipeline' for women-- conspiracy culture, with its world-view altering brainworm capabilities that have essentially turned it into a religion. what used to be confined to just white nationalists and dudes who read Soldier of Fortune magazine is now widespread among the american public