Quote Originally Posted by Fursphere
/noob mode

What the heck does gathering supplies do for your team and "winning" the battle?

(I seriously have no idea)

/end noob mode
Gathering supplies actually supplies your side with more reinforcements. I've found that getting the quest riding to the mine in alliance territory, taking it and gathering resources can give a tactical advantage in numbers EVEN WHEN towers and GY's have been capped.