I think its because its such a drastic change from the previous DInosaur Jr albums which where all hard rocking and had a completly different sound, those like me who loved there old sound, loved the old albums more, even Green Mind is a really good album but, its not the dinosaur Jr of old

"You look down at me and see a fool, you look up at me and see your lord, you look at me and see yourself"
Charles Manson