Earlier quoted context omitted.
Is it their failure you believe they should be jailed for or something else? Do you believe that the CEO of any company that fails should be jailed or just banks? There was undoubtedly plenty of hubris, greed and incompetence to go round. I also believe that some of what occurred should, in hindsight, have been illegal. But having some sort of sacrifice to appease the gods is a little outdated. Oh, and yes, all the C…
It was not failure. It was at the very least gross negligence, if not outright theft and fraud.
So prevention is the name of the game. But that requires competent regulators and oversight. Compliance and reporting laws, and so on. Investigators with staff and time, prosecutors willing to chase a case, and of course independent judges.
The SEC and DoJ could have tried to bring more charges, and they got billions in deferred prosecution agreements, maybe not enough though. (They - I mean DPAs - are not shiny like a jail time verdict, but they do work pretty well https://www.justice.gov/opa/pr/soci-t-g-n-rale-sa-agrees-pay... see also https://scholarship.law.unc.edu/cgi/viewcontent.cgi?httpsred... )
If we want to make up for the money lost by the innocent, then we can chose to tax those we think benefited. But that's completely different than blind vengeance.