I had much higher hopes for Snoke but I suppose ot was necessary and now Johnson has freed JJ Abrams from having to repeat the whole Emperor/Vader story arch.
overall is say 4/5
From what I’ve read, it kinda sounds like Johnson really hated Force Awakens and wanted to retcon away as much of that movie as possible.
I would have preferred a continuation of the trajectory of the Force Awakens, well-executed with strong characters, than a trilogy that was blown up two-thirds of the way through with little left to work with for the closing chapter.
We now have a conclusion that will be based around Finn, Poe, Rose, Rey, Hux, and Ren. And no resistance force whatsoever. What a bumbling group of imbeciles. A love triangle? Rey trying to "turn" Ren? Meh. We can't get a believable large-scale, galactic battle against the First Order because there's no opposition left.
So, inevitably, we'll get new characters introduced to us that we're told are important. Except because they weren't really part of the build-up of the last two episodes, it'll feel weird as hell to see, especially in a "concluding" film. We're in for a dissatisfying and disconnected end, thanks mostly to Johnson's selfishness.
Just an FYI it's Ben, not Ren for his actual name. Ben Solo, he calls himself Kylo Ren though, not his real name.