It also opens the door to creating drama because of the tone of the criticism, thus missing the original point (or deliberately deflecting from it). If you've worked under people for whom this is second nature, you know how destructive and poisonous this can be. "Please give me feedback" is code for "Flatter me", and not doing so results in "How dare you" indignation.
I don't think it's a coincidence that tech is one of the fields where this posturing found loud and well argued push back early, and no coincidence that high school mean girl tactics were the response.
If a memo is sufficient to cause one to feel unsafe, then being fired and slandered in media ought to be much worse. That's the empathy gap in action. People assume the problems that are talked about the most are the most important, not realizing those that are passed over can never be addressed in the first place.