I think by now most of us have realized the roadmap is rather pointless.
They may as well have put a bullet list in a thread that states what they might end up working on at some point throughout the years of Planetside2.
The fact Dust 514 seems to be a flop has bought them more time. It's a question of whether SOE wants to use their lead to try to lock down this genre, and be the leader in it or not.
I don't think they will if they allow the game to go years without a fully developed metagame.
The most important thing when playing a online game for a longer time 3 months is to get new content and so far we have just got changes to the existing content.