I can dig it.
They should also put in a system similar to Reaches, where there are daily/weekly/monthly challenges, and the prizes could range from extra cr, to special REQ packs or something.
I see where you’re coming from, but that would never work. Casual players don’t care for small things like that, and they wouldn’t participate in the voting.
If people don’t stay for free maps, an constant update of skins and armor, nothing will keep them.