Originally Posted by
World's End Stella
There are many ways to answer those questions but the simplest is probably that even very intelligent people aren't perfect and can make mistakes and not just once, but on an ongoing basis.
See also, the Vietnam War.
But that fact doesn't mean that the ignorant masses who borrowed money they shouldn't have don't share in the responsibility for the crash and subsequent events. That narrative won't sell as many newspapers as 'evil bankers cause crash and misery and then pocket huge bonus etc etc' though.