Nikon does have at least one big white lens, 70-200mm F2.8 VR.:11: Don't know what's the reason behind that.
I agree that Canon vs Nikon is pretty much a topic that will never be settled. People who likes Canon will stay with Canon and people who likes Nikon will stay with Nikon and some people may switch between brands for various reasons.
For what its worth, for underwater use, Nikon has always been the leader with lots of support from various manufacturers. Canon finally started to catch up, mainly with 20D as just about every housing manufacturers support it so Canon is catching up with Nikon in this niche.
Personally I don't shoot any pro sports and could not have careless if all the pro sports photographers use big white lens. After all, those big white lens will reflect off the domeport/flat port for uw use so that is definitely not a good thing for what I intend to use my camera for :05: