Stephen King apparently hated the ending he wrote for the short story, but praised the ending of the 2007 film adaptation.
Non-Sarcastic Thank You for taking the time to explain what I thought was self evident if you had seen the movie and read the book.
The first rule of fight club is "You Do Not Talk About Fight Club."
The Sweet Hereafter
I'd rephrase that as "the books is almost always better than the movie". Most rules have exception and the use of "always" in a claim usually makes it too easy to falsify -- particularly in highly subjective fields such as appreciation of film / literature. Another counter-example would be Trainspotting: My 25-year old self found Danny Boyle's film to be much more coherent, interesting and enjoyable than Iriving Welsh's book. (FWIW, I've upvoted your comment as I don't think it deserves downvotes).