Your gripes about the movie?

1) No Spacing Guild.
2) The events in the book take place over 4-5 years. In the movies, it's more like 4-5 months.
3) Chani's slap.

Same as the first one. Intrigue was lackluster and technology made no sense. Also a complete zero of military tactics and formation during the battles. I can understand the cavemen to use guerilla tactics and just throw bodies at the enemy (yeah, right, as if), but the armies of the houses should have behaved much better. Choreographers should have looked at some real medieval battles.

I really liked the first movie, a lot. I thought part 2 was mediocre, at best. It looks great, but damn it barely has a story for its length.

-Why is Christopher Walkens the emperor? I mean wtf lol so distracting. Just wanted him to say hey come on now guys and start monologuing in every scene!
-Amazing soundtrack in the first film and barely any music in part 2 to enhance scenes.
-Again, the story is so non-existent for a 3 hour film. There is minimal character development, nothing goes on for a very long time and with the exception of the end, few dramatic scenes.
-The film lacks a clear villain. In part 1, the Baron is manipulative and terrifying. Here we get pastey Austin Butler halfway through the film who is used to killing only drugged bums. He comes across as dull and boring. The film does not utilize its already established characters.
-Deaths of the Baron and Rabban were incredibly anti-climatic.
-I agree about the shields. They were a big deal in part 1 and an interesting part of combat. Part 2 shields, what are those? No continuation.