Most people don't know much, and don't care that they don't know much. Half of US adults can't read at a 6th grade level. They don't care about and probably do not understand complex topics.
That's it. They just want cat gifs, and that's the end of the thought.
I knew someone who was smart and successful and politically aware. She didn't care about any of this. She was tired from work and just wanted the familiar ease or twitter. Trying to figure out which server to sign up for and finding content was too much work.
A lot of people have executive dysfunction. Making a choice is hard.
I get the impression that some people have such decision fatigue, asking them to do something seemingly trivial is akin to asking someone without limbs to pick up a spoon.
People's brains don't work good.