> Banking systems don't need impenetrable security for people to use them. People pay online and use online banking every day from easily compromisable laptops.

> Banking systems don't need impenetrable security for people to use them. People pay online and use online banking every day from easily compromisable laptops. They do so because banks and credit card companies have good fraud coverage (unless you're negligent). Author's claim was that they defend security of their platform to outcompete other payment processors on fraud insurance costs.