None of that is how communication works. It requires (basically equal) effort on the part of the sender and the receiver. Gatekeeping communication styles is just a symptom of not having control in other areas.
If people are annoyed by someone saying "hi" then yes, I think they are in the wrong and creating a hostile work environment. I've worked on a lot of different teams, and people who complain about stuff like this are always the single biggest drag on morale. Teams should practice tolerance, trust and flexibility, especially remote teams.
Your remark implies the “hello” folks are correct, and that is purely opinion.