There is a decent Netflix show that discussed how America’s war efforts and their fear that they could diminish their control over the people in effect put back research in the area back half a century.
"what’s the significance of dreams and What can they teach us?"
From what I understand about dreams, no one has the answer to that question. It seems like they're going to make unfounded claims which makes me worried about their info.
Do they tend to pose speculation as truth or are they avoiding pseudoscience?