I wouldn't say they got that much better. Sure, that's one less hour Fringe would have to compete with, but I think the only thing that means anything for Fringe's renewal is how cheap Warner Bros wants to give it to FOX for. A free hour on the schedule isn't going to make much of a difference, if any.
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http://i50.tinypic.com/23qx00.jpg
"First time I got punched in the face, I was like "oh no", then I was like "this is a story"."