From what I can gather from what has been said, I would say that the people obviously know that you are not a botting and are just trolling you and getting their buddies to do it too.

The question is then, why are they doing it?

While entirely possible that they are just randomly being jerks, I find there is usually more to it than that.

Reading through the thread, you came off sort of aggressively reactionary, at least to me and apparently some others. It may be that it was this attitude that come across to someone in-game which pissed them off and so they started a personal crusade to harass you.

This doesn't put them in the right and you should report harassment, but I suggest maybe reflecting on your reactions and how you interact with others as it could potentially be a catalyst for such altercations.
Making excuses such as "I'm human, so its okay" personally don't hold water IMO. Yes people are human, yes they will slip up and make mistakes but being human also means that you have the ability to learn, think and control your actions. Just because you are human and have an emotion, doesn't mean you can't control or dictate how you act upon that emotion.
To be fair though, if those harassing you are doing so because something you said pissed them off, they are just as guilty of this.

Anyways, that's my opinion on all of this and some potential food for thought.