Gay marriage is the last bastion of to me... as a legal ceremonial sentimental and religious side it's one of the last steps. Retaining your job being one of the earlier steps like not getting kicked out of your job because you're gay.
I don't know if Jim was a major part of that or not. He is one of a small group of real storytellers. He has enormous imagination and ability to write. I'm glad he's coming back. It's going to be good for the show.