When you have a community of different groups all coexisting on the same server, it can get hectic. Server group based power can be easily and routinely abused, standard channel groups offer very little power and ability.

This video tutorial shows you how to set your server up to be a full community server that can offer powerful admin in a way that will not compromise your server. https://www.youtube.com/watch?v=NgSRvimkkHw&hd=1