Survivorship bias is a big problem with these kinds of things.
They never show any of the plentiful examples of people not making it to their goals. Whether that means failed businesses, or even lottery winners spending all their money.
I take any self-help book proclaiming to give you the ability to get wealthy with a large dollop of skepticism. If their "trick" was so valuable, why would they be giving it away for free?
yeap, not many employ critical thinking. most people buying these books are emotional. most Americans that do buy into the meme are simply drinking the american dream kool aid.