[tivert]

> However, I see the immense appeal of his theories (and the one linked here) because they’re so simple to understand.

Theories like that also make excellent propaganda. Take a messy subject (like the economy), drain that away with some oversimple theory that supports your political goals, then push that onto the citizenry in books and articles, and watch the converted start to vote your way. Personally, I think that's the mechanism for how so many laborers have come to believe in rather extreme forms of free market capitalism.