If all the business on the agenda, then the meeting be closed.
However I would allow persons to discuss any infernos they have. It seem to me that the chairman has some sort ofagenda. It’s a quick way to start a revolt of aggrieved owners.
As for attending a mediation. Only the parties nominated can attend. It’s supposed to be a way to resolve issues in a safe setting.
in any case the parties who attend cannot use any information disclosed in the mediation outside of the mediation.