[NHResident]

I tried to read it based on my brother's recommendation - I found it obvious, trite, juvenile and boring. I was amazed at the apparent number of readers who are hypnotized by the book - but then thought of the millions of copies of "Who moved my cheese?" - another extremely juvenile statement of the glaringly obvious that have been and continue to be purchased. Clearly 'common sense' is no longer very common.

[Aquinasfan]

I was amazed at the apparent number of readers who are hypnotized by the book

The only thing I can think of is that everyone loves a great conspiracy. And this book probably also appeals to skeptics and people who don't like the Catholic Church.