"So the door discriminates. It has preferences about who it should bring in and who it should ignore, and- I'd put money on its selection algorithm taking that "less upset than me" into account. This is not something most people would be totally okay with, if I know anything about most people."

He sips his coffee again. It's suspiciously good coffee.

"...so it wants something from people. Wants them to be comfortable but not knowledgeable, wants them to accept their situation and do something with incomplete information. It puts in a polite talking bar, to give you anything you want as long as it's not too powerful or dangerous."

Manipulation. There's manipulation happening here. But to what end?