A Freeper mentioned a few weeks ago that the Left seems to operate like a "hive mind."
I think this is not only because of what they are hearing from the media, but also because generations of them have been indoctrinated by our colleges and universities (actually going back to just after the end of WWII).
The Left is brainwashed to see life through the commie prism. That is why (I suggest) when the Left started pushing the postmodern ideas of reality being the way you see it and your gender is based on how you feel, etc., those Americans who had been indoctrinated into Leftie thought understood it instinctively.
Embracing moral relativism was easy. It had already been forced into their very beings.
The left also seems to have Hollywood Stars turn up at many of their protests - - and magically they have buses pull up filled with people who pick up 'hand-made' signs and props that appear out of no-where... It's a mystery all right...
(Rooster - tactics are used to create the hive mentality too - it doesn't 'just happen'...)