Earlier quoted context omitted.
> It would be trivial to implement and make things much more secure… If it were truly trivial, this would have been implemented long ago. This isn’t a pure engineering problem as much as it’s a “convincing people to do it” problem.
It is implemented in most of the world outside of the US. It is scary that the info you need to deposit funds into an account in the US also allows you to withdraw funds from it.
But, can't you say the same thing about a credit card? Heck, you don't even need a password for that; everything you need is right on the card.
Or, your mobile device (if you pay through near-field tech)?