The new tiberium, according to EA, turns everything it touches into more tiberium, which wasn't the case ingame.
I'm not saying that EA meant it to act like that in-game, because that's not true, but what would you feel if it had been implemented?
It might be really cool if both infantry
and vehicles begin crystallizing when moving across tiberium, which in turn would require people to use new tactics, basically like the veinhole monster roots.
Add more idea's in this topic, if you wish.