As such, for the time being, I don't see any reason to take action as this merely seems to be a spat between 2 users who really don't like each other.
We used to see the spat between two or more users in the reputation board. Now they are trying to take over the meta too. Why don't we move it there 😉
It's an insult for me not to be in the list. What did I do? 😂
For your information, none of them can ban anyone. They are not forum staff.