I'm not even saying that I wouldn't take the advice, after all it's not costing me much to add a "topic header" to my "hellos".

...the fact that there's resonance here is something I'm only beginning to become aware of right now, as I see how people are reacting right here to what I wrote above.

I say this with 6 years of work for fully-remote companies under my belt. In those 6 years no one has ever complained about a "hello", none of those companies had this in their "netiquette" guides, and I've been on the receiving end of "hello" many times.

It has just always seemed like the most innocuous and normal thing in the world to me. So it's really weird to see people reacting so strongly right here.