Agreed, but the Cadillac interior is pretty solid other than a few pieces of cheap trim here and there. It's not up to snuff with the M5, but GM spent more of their money with this platform on suspension and handling than interior or engines. That's why they just stuffed a Corvette motor under the hood. Not that I think that was a bad idea, but obviously the competition is using more refined motors. I think what's amazing is that 10 years ago Cadillac was building FWD luxoboats and they now have a car that actually competes with cars like the M5 and E63 AMG and people don't laugh you out of the room. It's impressive work, that's for sure.
I'm also a self proclaimed Cadillac nut as well. I'm the one who actually liked the luxoboats and owned one.