I’m basing this on what I’ve heard from people who’ve both read the 1982 novel and seen the new film - they say it’s a much closer adaptation of Stephen King’s original work. Having read the novel myself, I can say the 1987 movie strayed far from what King wrote. In fact, as a fan of the book, I’d call that version a poor adaptation even though it's a fun 80s action movie.
From what I’ve read so far, it seems Edgar Wright set out to stay true to the source material while blending in his own high-energy tone and signature visual style. However, many are saying this version feels more like a typical Hollywood action film than a “pure” Edgar Wright movie, which might explain some of the divided reactions.
I haven’t seen the film yet - I will on Thursday - but I have a feeling it’ll be better appreciated over time. Maybe I’ll be wrong, but that’s my gut feeling at the moment.