This does not surprise me, since I see it happening, too, right here on my Mastodon feed, have seen this pattern in the past as important elections near. The trolls come out from under rocks and go on the attack, and they frequently represent themselves as fellow progressives-liberals who are, they need to let me know, more enlightened and better than I am. And who have a right to treat me with disdain, as the enemy — to treat me with contempt.