I thought you might want to check this out. It certainly raises some valid points, and I find it to be a possibility. However, the likelihood of it being 100% true is dim at best, IMO.

What do you all think? Please READ all 10 pages in the "Let's read a few words from John Gatto about what's really behind these illusions..." link before making any judgments.

very thought provoking

That's what I thought. I don't feel I know nearly enough on the subject to make an opinion on it, but I would imagine it would have a decent number of twisted facts, construed ideas, etc. Either way, it certainly raises some flags that need to be raised.