You seem to be dealing in absurd hypotheticals here. In most countries in the world, having your nation state fail on you is a very real risk. It doesn't fail a

You seem to be dealing in absurd hypotheticals here. In most countries in the world, having your nation state fail on you is a very real risk. It doesn't fail all at once, so it's something you can plan for. Having wealth outside of the banking and financial sectors that's not also in physical form is something that's very valuable for this purpose.