Currently reading this. Wild the number of parallels to now.

He doesn’t just give them permission. He tells them they’re good for unleashing the worst parts of themselves towards their perceived enemies. All under the guise of “protecting their country” or “culture”.

They aren’t operating in the same reality. The “facts” that his supporters get are often not facts at all, or are selectively picked to make him look good. They’ve also been conditioned to believe that the “other side” are evil, which justifies all his actions.

tldr; fear and lies