An article stating the obvious, banks don't actually have any real money.
And since most currencies are not gold backed the question is where will it come from if there is a run on the banks.
A bigger question is how will the banking cartel payout on the paper gold they have created, given this far exceeds the amount of actual gold supply & storage.
Time will tell
https://cryptodaily.co.uk/2018/12/banks-lending-out-money-that-they-dont-have