Metssuck (great name!) - I agree that Lannan doesn't really get the respect he deserves and that he probably would get if he got the same results but had a 95 mph fastball. But it's not really limited to this board - lots of advanced stats guys have predicted that Lannan would eventually collapse because he gets hit a lot and doesn't strike guys out very much.
But he's managed to get it done for a few years now so it may be time to just take him at face value and stop looking for flaws that may not be there and a collapse that may not come.
If he can eat 200 innings with a 4ish ERA, I think most people would welcome that on this club.