Am I a jerk for personally ignoring people that ping me in Teams with a mundane “Hi” ?

I do not give a single tiny little fuck about what your cultural norms are, if you think you’re trying to be polite or whatever other crap. If you hit me with just “hi” and nothing else I’m ignoring you for days. Perhaps forever (have done that before).

I do not have time to deal with that kind of thing in a chat application. Just tell me what you need. I’m not here for chitchat; I’m tryna work. Be concise, be clear and be quick. Otherwise: ignored.