Yes, on the scale of FAANG, the "I won't be in this position after a year" attitude shifts from C-level down to upper and middle management. I think it's because when you're a CEO of any of top-10 S&P500 companies, there is no next position for you to take, you're already at the very top of your personal career pyramid.

And I honestly think that in any of them, neither mass hirings nor layoffs are initiated by CEOs. I'd bet it's rather "one person pushes through the idea of hiring a lot of people, a year after another person pushes the idea of laying them off".