Re: his work there is done
and generally speaking the OTHER senior execs do not want to be associated with failure in any shape or form.
Hence once you reach a sufficiently senior level the guy who hired you becomes tarnished with your screw-ups.
That's why really expensive screw-ups don't end up with criminal charges and firings, because the nature of lawsuits with money at stake.
Basically, one rule for us, no rules for them.