> If there are two Owners then it would need both of them to press the red button and kill the
I think that is a good idea, it provides a way a group can be protected against one person deleting it. More generally, all owners should have to agree.
> Or That the remaining Moderators have a vote to put the group on hold, change its name and
keep the archive etc and start again, or to kill the group.
It is likely the group contains material considered copyright by the owner, so they would be able to object to you doing this (and if you are in this situation it seems quite likely they would).