Nazi's are just a byproduct of an eroding standard of living. When things are good and getting better, there just isn't the fertile ground for that kind of ideology, even among the idiots.
When standard of living is on the decline? Anyone who gives a simple answer and a simple solution gets the attention of idiots.
It reminds me of and I don't know where I read it at but there was this guy who was trying to sell his pet rock in Africa. And told the buyer it keeps lions away. The buyer asked how does it work. The seller simply told him you do not see any lions do you and the buyer bought it.