Very weak argument. One who can't hide well 100 Kruggerands, is an inept person.
How is that a weak argument? [...] On the other hand, there's obviously little future for gold due to this scenario. Almost everyone would place their gold in a 3rd party vault and now it's the same thing as fiat. [...]
You are evaluating gold systemically in terms of whether it is a replacement for fiat. I am pointing out that for the wealthy person, the use case of gold is irrelevant to whether the masses don't adopt gold:
[...]
Clearly I think crypto-currency is better for most needs, but gold still has some unique use cases, i.e. 1 - 5% of networth as a hedge against apocalypse.
Gold systemically doesn't solve the fiat problem, but to a wealthy person it is personally it is guaranteed to not be a fiat, as I hold it in my hand and no government can cancel gold as they routinely do for cash[1]. They can erect capital controls, but my gold can remain buried until the government has changed.
In short, gold is more durable than crypto-currency. Whether that is useful to me personally or not, is a matter of personal analysis, perspective, and opinion.