But it was; the walking worked, despite how it looked.

Right up until the camera panned. Suspension of disbelief shattered, and to what end?

Are you kidding? If they didn't do that, how would they demonstrate a trap that made any sense? That would have been far worse, I think.

Yeah maybe I totally forgot what actually happened, I just remembered my irritation :)

I was more irritated by the fact that the entire movie was clearly ripped from the chapter "Harmonic Labyrinth" from GEB.