It's much more comforting to them than the thought of political ideas being derived by intellectual analysis and reason from history, observation, and the nature of man.

(It's interesting that the same people pushing this stuff would crap a pineapple if anyone suggested the possibility of differences in the brains of different races.)

Liberals have become conservatives. Many of them. This is not because their brains were mutated by cosmic rays. It's because they sat down and thought about it. Our form of government was created by people who sat down and thought about it. Hard. I hold the positions I hold because I spent many years thinking and observing. Sure as hell I didn't pick it up in college classrooms.

Read this article by famous playwright David Mamet.

The key phrase here is "I began to question."

Stupid people can comfortably hold wrong ideas in their heads their whole lives. Never bothers them, even when it's pointed out.

Intelligent people live in constant terror that something will show them their ideas are objectively wrong, and their intelligence won't be able to discard it. These are also the kind of people who would find determinism comforting. No intellectual debate possible, no foul.