Can't upvote this enough!
Car maker cheats to meet emmissions tests. Board never asks how they passed the tests as long as the cars sell.
Newspaper hacks voicemail to scoop exclusive celebrity gossip. Board never questions their sources as long as the papers sell.
Banks mis-sell PPI, sub-prime loans, etc and collapse the global economy. Board turned a blind eye as long until the whole scam collapsed.
Its time that executives were held criminally responsible for the wrong doing that happens on their watch. Pleading "I didn't know!" should result in jail-time for corporate negligence.