Not allowed to buy gold without all sorts of shenanigans.
Why exchange the gold for dollars when you'd just already have the dollars. People stacked dollars there, Zimbabwe, not gold.
I see what you're getting at, and possibly in the UK with the right (catastrophic) situation having gold would at least allow you to leave the country and take a substantial amount of wealth away discreetly in a compact way.
But I just don't buy this idea that everyone will abruptly start directly accepting gold and (especially not silver) as payment for everyday things, let alone larger infrequ