Crucial to that win were transcendance-tier infantry drop-podding all over the enemy territory during the war that won me the game, forcing the AI to nuke his own territory to kill 1-2 guys each time, destroying his own economy in the process. The limitation of needing to see the LZ to drop on it didn't matter due to scanner sweeps whenever I wanted to infiltrate. The icing on the cake was when I cleared out the enemy capital with 3 guys right in the middle of hostile territory, with the front-line half the map away, and no troop left to capture. So, just to find out if it's possible, I drop-podded an infantryman directly ontop of the empty city. It worked, it got captured, and insta-won me the game (I was on 96% economic victory at that point).
TL;DR: Space marines + scanner sweeps are awesome. I strongly encourage anyone doing an economic or militaristic run to try them out and experience the win
EDIT: Would anyone be interested in an AAR with a medium economic playthrough? I had a bash finally winning once I'd figured it out, but those 10 losses in a row were painful as I was learning how to play Noxium right. Maybe I can spare people some pain

