This article covers a lot of different areas with some anecdotal data.
“In other words, the left is so mesmerized by its utopian ideology and its pet “narratives” (euphemism for delusions) that it simply believes and acts – and aggressively strives to indoctrinate others – in accord with its alternate reality. To hardcore leftists, reason, common sense, the laws of economics and the lessons of history are all inexplicably irrelevant.”
Those who can make you believe absurdities can make you commit atrocities.
- Voltaire