I would wager money that the LD is the same shoddy master as the VHS and the DVD.

That is, unless YouTube was lying to me and it wasn't actually VHS footage.

Edit: Here's a PAL LD capture: https://www.youtube.com/watch?v=_vr8ln8B-8g

Either it's a lot less wavey than the DVD, or my memory is making the DVD a lot worse than it really is.

Edit 2: Nope, it's not just my memory. Here's one of the VHSes (NTSC?) and you can clearly see it rocking like a ship on a stormy sea: https://www.youtube.com/watch?v=IcDA-eG9hTw