Comment by seppel

> If 0.01% of the transactions a bank processes daily need some form of human intervention

Then these transactions will be delayed anyway. You could still process 99.99% of the transactions on Sunday.

Visa, Mastercard, Paypal as operate 24/7. ATMs operate 24/7. Neo banks allow intra-bank transfers 24/7. And they deal with the fraud and AML stuff.