That's a great question. If I were to speculate it would be that maybe the whole building on the fly mechanic was still somewhat ahead of its time. Though I have forgotten about the trends. I do recall that Starhawk had a lukewarm fan reaction. The devs kept the general art direction, gunplay(which took time to get used to since it was so floaty), and UI. However the gameplay was changed drastically. There were so many great hours spent playing Warhawk. I picked it up cause I needed a mic and the game was $40 at gamestop. Fantastic decisionWhy do you think Warhawk failed? What needs to change for a new version to be successful?
I can't believe I missed out on it for the PS3 (I bought Uncharted 2 with it...damn you Metacritic!) but I don't think Sony can greenlight a sequel without fixing what was broken about it.