It's definitely not experts making these claims, and that's part of the problem. These are just masses of mindless reshares of unsourced "facts" from strangers. But people bite. People appear to comment by the hundreds indicating belief in them. Check out "Donald Trump American President" administered by "Jimmy Johnson" on Facebook if you really want to see the garbage first hand.

The echo chamber comments were prompted by the statement that "the neo-left is an [order of magnitude] worse". There is, in fact, staggering depravity on the right if you look in the right (cough) places.