Citation, please? I mean, specifically, that they don't have qualms about doing it for trivial valuation reasons. There's also an argument to be made for corporations being too reticent to fire deadwood employees. IMHO, that's just as much a problem.
Personal anecdote: I talk to our CEO pretty regularly - she's probably the only billionaire I'll ever meet. I know that she personally feels the responsibility for keeping the business viable, because it's the source of income for nearly 3,000 families.
Of course, my experience is just a single data point. But I don't see that it's any less valid than a viewpoint that, as far as I can see, is based on TV and movie drama.