Telling people how they are and aren't allowed to setup for any dungeon is silly. I'll never join a run that demands such things as relics only, but I'm sure as hell not going to tell someone else how to play. It is a legitimate setup for people wanting to run things like Castrum and Praetorium with max efficiency. These are min/maxers and they are in every game.

Hell, I'll even go so far as the thank them for doing so, since it means they are forming their own groups instead of queuing in the duty finder and complaining or ruining someone else's Castrum storyline adventure.