Yes. Continuing the word based analogy, the video is just permutations of "conversation" leading up to it's correct spelling, then more permutations.

If you take the frame that show's the inside of the mask alone, is there a way to prove the image is of a concave object? To see it as convex is arguably 'wrong' but it's a moot point because you're looking at something that is objectively identical to a convex object anyway.

Couldn't I just extend your argument to say the fact that you see a face at the very start of the movie is an illusion? After all it's a mask, not an actual face.