Agree on some of your observations, but not all. I spoke to the creators early on with the project and they were very conscious that the audience would expect "moments" from the movie to be repeated, and had to balance that expectation with the novel's interpretation and their own creative choices.
An issue with adapting a popular, widely seen film as opposed to an obscure one.
Gotta go. The Simpsons is about to start.
"Through The Sacrifice You Made, We Can't Believe The Price You Paid..For Love!"