Dude expended all his energy being a Goddamn sexual tyrannosaurus. He should have spent more energy on killing aliens.
I just build up a pile of smoking bodies between me and the massed hoards of spear carrying teddy bears. Do you really think they’ll keep attacking until the last one is left alive? Even the xenomorphs knew when the miniguns won.
I always thought of Avatar as Midworld, but blue-themed instead of green.
I vaguely recall it being mentioned in some side material may years ago, among other things as an explanation why the Na’vi had a different body plan than the rest of Pandoran animal life. Googling, it does seem a common belief.