They're genuinely scared they will end up on some list, and Trump or others will take their revenge. Because it's been done so much on the left, the return volley is now scary to them.
Since they truly believe Trump is Hitler, they're expecting camps. So, they are deliberately keeping their mouths shut until "freedom reigns".
The others are trying to conspiracy theory the idea it was fake, or act like it never happened.
On that note, there is website meant for collecting posts by liberals advocating violence that was posted about here: https://kotakuinaction2.win/p/17teJBVZaQ/do-your-part/c/
https://july13th.com/hate/
https://july13th.com/hate/destiny-wall-of-hate/