I specifically remember Shrek 1's DVD menu was a work of art and nearly a complete multimedia experience on its own.

It's ironic that the author chose the much simpler/inferior Shrek 2 DVD menu to showcase.

Wow you're right: https://www.youtube.com/watch?v=_cQHZUKCo9A

Insanely impressive

Yes! My siblings and I used to play on the menu before the movie started. We'd excitedly cheer and laugh when we got the pigs to talk.