It is a religion and a total misunderstanding of money along with its history. People who believe this either are misleading people or completely clueless.

The bankers laugh at these people.

As for gold and silver, not a bad idea for diversification and as a hedge. But it is not a sensible investment strategy. Kiyosaki said he has been "investing" in gold for 50 years. This means he is touting that he got lackluster returns.

Not something I would be advertising.