No, there really isn't middle ground on movies for most people anymore and it's very unfortunate.
The issues that I've seen most people who are interested in actually discussing the movie rather than the black and white childishness raise are primarily about how it pretty much took everything The Force Awakens seemed to be setting up as significant or building to some conclusion or pay off and just threw them out. Not just in a let's not worry about that right now way, but in a way that seemed to be an intentional affront to the fans who were waiting for those pay offs.
Every single thing people thought was a set up for something turned out to be not important at all.
They felt like it was an intentional action by Rian Johnson to purposefully upend everything in a take that to fan expectations. That's why their reactions were so strong, it truly got personal for them.
And they're not all wrong in thinking that. I don't know if Johnson's choices really had that conscious take it to the fans attitude behind them, but we do know they were intended to shake things up because he wasn't interested in continuing the story he was handed. JJ had set all these things up and I'm certain originally intended the story to go a different way, but Johnson wanted to do his own thing and they let him. Disney apparently approved of what he did because they gave him his own trilogy before Last Jedi was even out, but once it was obviously audience reaction was not as aligned with theirs as they likely anticipated. And now JJ is coming back to finish things off.
I think it would have been a much better move for Disney to have let JJ do this whole trilogy because now everyone is in a bad situation. He had everything pointing where he wanted after the first movie, Johnson wasn't interested in those paths and completely tore down everything and put us in a new place, and now JJ comes back to something he now isn't interested in because it's not at all what was originally intended. It's like they were in a contest to see who could back the other into a more inescapable corner. JJ has to either undo as much as possible from this movie to get back on the original track which isn't going to be easy, things like Snoke are what they are now but he could say Kylo was just lying about Rey's parents to mess with her, or go ahead with what Johnson left him but no one knows where that leads.
We're really seeing the outcome some had feared when learning that this trilogy really didn't have a story mapped out and they were just developing things as it went along. There was concern it may lead to something like this and unfortunately I don't know if there's a way they can get out of this situation now without issues on one side or the other.