I answered your question about the general public's ignorance first. It is a wide-scope question about human ignorance that is truly vexing and required a considered response. I abhor brief, 'drive-by' statements/questions as they are often actually are disguised judgments from opinionated people.
You have told us you go straight to the 1-Star Amazon reviews when evaluating publications. Can you step back and see that this might that be a biased approach to gathering data which prioritizes negative opinions and thereby creates an invisible 'rejection' filter?
FYI, I arrive at eventual understanding via an entirely different, inductive process that is more agnostic in nature. So what if there are typo's in the late Glenn Kimball's books? This has no effect upon my search for information of value as I gather as much data as possible before forming a view.
Since your primary concern was for exoteric information via web links, here's one more that deals with "WHY HAVEN'T WE HEARD OF THESE THINGS BEFORE?"