Yes, and from the previous video I linked earlier, he said that 2K and 4K are "exactly the same thing" and "you don't see any difference."
From his comment about going to the store with a lot of TV screens and throwing up, I agree that he seems to be conflating 4K with motion-smoothing, which...
Found a source for the claim Jeunet doesn't care about 4K. It's at the very end of this interview, at 42:45.
He says they remastered Amelie at 2K for technical reasons and it couldn't be done at 4K (no details given), but "it's exactly the same thing," "you don't see any difference," and "4K...