I enjoyed 7/9 of them (Rise of Skywalker and Phantom Menace commit the only sin that I think is unforgivable in a movie: They are uninteresting)
But that's the thing right.
They're
Enjoyable films
.... And that's it. If one of them sucks, it doesn't change much in the world at large. And even if you're the type of person for whom a bad entry ruins a series, it's not like it's such a massive loss in the case of Star Wars?