As if saying that different people live in different realities, and I don't want my reality to become contaminated by your reality (which could happen if I start to observe your reality too close or under your guidance). But of course we are talking about maps here.

There are various new agey people who would disagree with you on that.

But if you suggest thay they read a textbook, or a popular science book on the topic, to fix at least their most obvious misconceptions, they proudly refuse.

Most people don't read textbooks. A sizeable portion of people doesn't even read any books once they left school.

If you disagree with a religious person and they tell you that you just have to read the bible or another religious book and then you would understand, that likely wouldn't be enough either to get you to read the book.