Lead Encounter Designer Ion "Watcher" Hazzikostas has given those of us who really missed 5-man content beyond the first patch of Mists of Pandaria
something to really look forward to in Warlords of Draenor
The blog post to which he's responding is one that talks about the lack of 5-mans in Mists
. You should check it out
, it's a good read. The writer talks about how they feel like they can participate in social interaction in a group of five people, but feel lost and overwhelmed in a group as large as that in LFR. This is a really reasonable complaint, and one that I doubt the author is alone in their concerns. They also bring up how, with the absence of the "trinity" of tank, healer, and DPS roles; scenarios do not serve as a viable replacement for dungeons.