That is also a point of the issue. You can't comment so simply on these things because the reality is very complex and nuanced. A lot of users are just repeating surface information that they've seen somewhere else. Usually it is not based on theoretical research or empirical knowledge, and as such is almost always wrong.
This image comes to mind:
I feel like I'm somewhere on the green line where I realize the amount of things I don't know only keeps increasing.