> It felt like reading a Brian novel - a bunch of weird stuff that didn't have any heart or feeling.
The novels were largely written by Kevin J. Anderson, who also was in the credits for the movie as a "Creative Consultant," so make of that what you will.
I agree with your feeling, though; the metaphor I keep coming back to is that it was a tapestry that was reduced to a thread: Paul's rise.
It felt like all the supporting characters and their motivations, which form a part of the tapestry of time that the entire Dune series covers, were reduced to steps that Paul is climbing to the top.