why are people thinking this has to be queued up for ?, like DF, the OP is talking about 24 man content that is end game in the style of coil, where you NEED a FULL PREMADE group, and the lockout to go with it like coil, a system thats in place in both WOW and RIFT.
this game needs more content for large groups to do together that are organised, such as a large FC, FCs that are designed for this content, not just run of the mill social FCs, proper end game FCs with proper scheduling and attendance checking.