Aha! I thought the lack of a proper worldwide release seemed odd. What threw me was that when searching for "Magical Mystery Tour Blu-ray" on Amazon US and Google Images, only photos of the UK Blu-ray came up...
"All the videos and short films the Fab Four made for whatever reasons in full length."
Not quite all, Thomas: none of the material from the Magical Mystery Tour Blu-ray is duplicated, though logically it belongs with this set. Naturally they decided there was more money to be made from having...