these sites are useful to elaborate on your policy/culture decisions rather than sending a direct response to the NPC from the other team who always does the hello thing e.g. writing a wiki page with etiquette on how to talk to your team? and a link to the nohello site as a footnote to your guidance
I know that the US work culture is passive-aggressive by default now but this is the worst of it.
If you care about an issue, you get your point across with your own words in a discussion where they use their words, not with a thing that lets you hide. What is the specific impact in your business? What are your personal feelings? What are the reasons why people using AI to get their point across?