That picture of a human face was from Rage, as we all now know and that tells us that the game was already well underway back then, long before anyone had seen a pixel of Borderlands so the whole "stole from Borderlands" thing is ludicrous. I bet Rage was also well underway then Fallout 3 was shown for the first time so we can probably scratch that as well.
iD are among a rare breed of developers who don't blatantly copy others and that's one of the reasons why I like them so much.