I doubt most of the executives see themselves as personally responsible for the financial situations of their companies, especially during an unprecedented global economic shutdown. Not because they are any different from you or me or any of these other self righteous commenters, but because they are the same.
If American culture were more like ancient samurai culture, perhaps they could commit seppuku to restore their honor. But I would prefer to restore proper incentives instead, and weaken the power of chapter 11 so this isn't a problem in the first place.