Like grading assignments on a Bell Curve, my two-star rating for Diary of a Wimpy Kid: The Long Haul feels like a five-star rating following the three previous installments in this mostly repugnant film franchise. The change of cast is actually not as offensive as initially thought (save for Charlie Wright), and the humor at least derives from situational events rather than obnoxious schoolyard shenanigans.
A film that does literally every single thing wrong. It's one of the funniest films of the year, but not because it's actually funny, rather due to how poorly made it is. This film should be studied as a "what NOT to do" in Film Directing 101.