I don’t think you’re being downvoted because you’re promoting improved communication skills. I think you’re being downvoted because you’re implying that manager

I don’t think you’re being downvoted because you’re promoting improved communication skills. I think you’re being downvoted because you’re implying that managers “absolutely does not want you to have such skills”. I’d wager portraying an important work relationship as adverserial and manipulative is why people downvote you. It’s a bit of an overplayed cliché with the bad boss. Ironically you might be downvoted because of what you’re saying being misunderstood, which I guess is to your point.