Obviously people have Opinions about how 24 Hours was adapted, and they're again attributing changes to wanting to pull back on the horror/shock value, but I'm not sure I agree. That one stays pretty fresh in my head regardless of how long ago I read it -- it's very memorable, there's a reason people have Opinions about it -- but I went ahead and reread it and Passengers (the one preceding it) anyway, to make sure I wasn't editing my memory at all.
I am not sure how I feel about the adaptation. In some ways it went harder than the comic, in others it pulled back. I think the level of horror is probably about the same, overall, even if it did end up very different
The 'honesty' thing just isn't really flying with me, though. The whole event ends up too coherent, and that's what I don't like about it. I don't want any of that to make sense -- it should be senseless, sociopathic. I did like the change in focus to almost exclusively be on the patrons, though. And obviously the updates to modern sensibilities were welcome. And I liked every change made with Rosemary and that part of the story.
I do think that, largely, people have probably been building that one up in their minds. While that arc matters and has purpose, the event itself is not important in any meaningful way. It sticks with you because it's shocking, not because it's good (which is not to say it's not good, but it's not as good or impactful as it's sometimes made out to be). Seeing it for a second time, as in an adaptation, is never going to hit as hard as it did when you first read it.
I did learn that there's apparently a very popular and very faithful fan-film adaptation of it, and I can't help but wonder how many changes were made to the Netflix adaptation because someone else had already made it?