If he can call for a unilteral ban in one direction then surely management can impose one on him-no more AAVAs for him in the future would be a sensible move i reckon.
I think the union would cry foul since it is an agreement negotiated for all staff without any recourse to prejudice being available to management. Otherwise there could be a lot of cherry picking going on and AAVA schemes to suit different groups of people or the application of favouritism with no come back. No doubt the gentleman in question would ask the union to take up his case and win
Personally, I think his peers should deal with him. Spread the word on who it is and what they have done at a local level ... and watch the fun
