It's only a matter of time before one of us here is standing at the supermarket trying to buy groceries, and their cards all get declined with some ambiguous "Unspecified Error" message.

They'll contact their bank, thinking it is just some unscheduled down time, only to discover that all their bank accounts have been frozen. The call center drone will waffle around in confusion for an hour, until our fellow deplorable loses their patience, and decides to make their way to a bank branch in person (hopefully they have enough cash in their wallet to pay for gas).

The bank manager will scratch their head in confusion, before all the blood drains from their face, and they look you dead in the eyes with the practiced look of bureaucrats across the globe, and tell them "The Algorithm says your account shall be blocked."

There will be no recourse for them. No explanation as to why their account was blocked, let alone what they can do to unblock it. Their are no processes or procedures in place for how ordinary people can have this matter resolved, and things will be kept that way.

If things get that way with your current bank account, imagine how much worse it'll become when all your "wealth" can only be accessed and redeemed via some government smart phone app.