There will just be a new CEO who will continue those same practices. How can this possibly be misconstrued as something impactful upon the broken system
(a) If more CEOs are targeted, it will modify their behaviour, and make them more likely to tone down their ruthlessness.
(b) There is already a lot of news coverage and attention on the horrific nature of U.S. healthcare. If some policies change more rapidly, then I think some might consider this killing an effective action in saving hundreds of lives.
So it kind of worked