It is not that clear because just by switching the phrase with the word “repeatedly” and suddently the obviously banneable become obviously allowed.
It seems to me that he is not using anything againts the rules, he just have a button with a macro and he is spaming and every time he clicks his character do the macro acction. Spamming buttons is obviously not againts the rules.
Well I made that macro in Macros option in menu in game itself not other third party programs just a basic macro just targets a mob and casts sunfire. I put that macro at F2 button and spam it with my own human fingers.