Except the examples that will be made will not involve the CIO/CTO. And even if it did, the guy almost certainly a golden parachute - what does he care?
As long as it's cheaper to clean up after the debacle than prevent it in the first place, that's what people will opt for.
"And even if it did, the guy almost certainly a golden parachute - what does he care?"
If he really was fired and the company made a public stink about how much he screwed up, he may well care.
Many people at that level care about their prestige, and care about being shamed in front of their peers, even when they don't need to worry financially.
As long as it's cheaper to clean up after the debacle than prevent it in the first place, that's what people will opt for.