My annoyance is that it has absolutely no relevance and adds nothing to the discussion regarding the story/post. It's just noise, which begets noise (my response) and so on. Let's talk about tech.
If left alone, there would have been nothing distracting about that short and explicitly non-accusatory comment, but you were triggered and chose to build a crusade around how you don't want to see certain kinds of comments on HN. You seem to have trouble handling the fact that some people have different opinions than you, about what comments are worth making. Very snowflake problem.
Sounds like you have a problem handling the fact that some people are tired of the bellyaching every time someone uses a common term in which it is not meant in a derogatory way.