Clif High is well worth listening to.
He reminds me of my father.
Although I probably need to spend more time listening to him before I can understand what he means about his previous ethereal meetings with strange beings. If he’s simply speaking in metaphor, then no problem.
I think Adams is blinded, as you state, by his need to be right.
If a person wants to know what the truth is, they have to be willing to admit "Gosh, I was wrong; now I learned the facts. Good." It takes some humiliity, but most important - the desire to know the truth, not to "look right". Truth has to be more important than one's ego.