American Graffiti, THX-1138
and Star Wars
are good movies. He hasn't done much worthwhile since, and is now an incredibly mediocre director and poor writer, but I don't hate the man. I can still watch the movies of his I like when I want to. He isn't really active enough for me to hate him, unlike the ubiquity of JJ Abrams.
I also rate Attack of the Clones
and Revenge of the Sith
over a solid chunk of Star Trek movies. They're not very good, but still fairly enjoyable.