People Are fools
No they are not! Rather putting all your money into one asset will make it easier for the government to control you. They way they are controlling you now using the fiat market. If you move to crypto, the government will also move there. In fact, the process has already started.
You may be a Bitcoin puritan and that's not wrong. But having others as the mindset like you, is unrealistic. Bitcoin can surely protect your wealth. But going all in is not desirable.