Well, Renegade X also added lots of new elements to the game like Chinook gunner seats and airstrikes.
It would be a nice move to add it to the NOD's arsenal as their vehicles are fragile but they also have the same vehicle limit as the GDI do.
Yeah you're right it didn't make an appearance in the original multiplayer but it was there in the single player campaign [Havoc's chinook was shot down by a recon bike in the cutscene of mission: Deadly reunion] so I guess adding the bike can still be considered as lore-friendly.
