You are questioning the method when people just see the need.
If you're an engineer, no matter what you say about the method, you know a country at war will make you lose all your savings. Or if you're a foreign citizen in a country that will seize your assets, even "by accident".
If you're an engineer, no matter what you say about the method, you know a country at war will make you lose all your savings. Or if you're a foreign citizen in a country that will seize your assets, even "by accident".