Earlier quoted context omitted.
I have no dog in this race but it sounds like you're assuming that a sentence with a negative sentiment (whatever that actually means) must have been created by a person who's upset. A bit of a stretch, no?
A tongue-in-cheek reference to the fact HN users act like basic social skills like the ability to infer tone are voodoo gets dissected like this? You can't make up this stuff up. To the reply: > would not be acceptable in any social setting otherwise You're close to getting it! In a normal social setting if someone says "If you don't like X don't interact with it!" that can reasonably understood as a negative stateme…
Except they didn't say that, did they? What they said verbatim was "simply do not read it" which is a much more reasonable tone than how you seemingly interpreted it.
Whether it's negative or not also depends on the context which in this case is a proposed solution to literally the most negative and upset-sounding post in this chain: the one that started it. What does your ML model think of "I'm gonna throw up on my keyboard"?