it has brought to the attention of CEOs the fact that even though the individual shooter might be apprehended, the CEOs who push too far over the line might not make it home from their next shareholders meeting.
I think this is a unlikely outcome. The CEOs will hire more personal security and the company will pay for it. The job of a CEO is to maximize profit of the company, this is written in their contracts. So this is what they will do.
that just means they will be prisoners in their own lives. no more just walking down the street, exploring places by yourself, meeting friends at small coffee shops at short notice - now they need to spend on security, always wait for them to check out the place first, always looking over their shoulders for traitors. it's the sort of thing that's driven kings mad.