Read other letters about this article
Cary left out what should have been the last line of his response if you actually follow his advice: And then prepared to be fired (or at least have your career progression promptly derailed).
Unfortunately, some times (i.e., virtually every time) it's actually better to just suck up to the powers that be. Yes, you'll be a sick, pathetic, soul-sucking sycophant in your organization. But then again, in a short amount of time you'll be at the top of the heap of pathetic sycophants and then the other pathetic losers in the organization will be left to offer undeserved professional recommendations to your son out of fear of losing their jobs if the incur your wrath.
Be pragmatic at the bottom. Then enjoy the top.