It's the bank's fault simply because this system has been broken for at least a decade, they know damn well it is broken, but they don't make as much profit if

It's the bank's fault simply because this system has been broken for at least a decade, they know damn well it is broken, but they don't make as much profit if they invest in fixing it. This won't change until it becomes more expensive for them to leave it unfixed - either by market forces, or by regulation.