I think, [ so, so softly, ] the only way it might happen if ... plants are never treated like just something to be used to the last and discarded. He sees humans as horrible, and selfish, and irredeemable.

And they have treated plants horribly here. Afraid, and helpless, and trying to survive. Squeezing from them until the last drop. [ Vash shivers. ] I understand that they are... trying to survive, but I can see why Nai doesn't take to that mercifully, too. And it has been a hundred and fifty years. He has no faith in humans. Any humans. I... don't know if he wants to be saved. Just to save plants.

Try... try to not get your hopes up that he'll listen. Not that I'd ever stop trying!

[ ... except he doesn't see them as crimes but justice... ]