Well, one nitpicky thing I have is that TD actually did address the offensive line this offseason. We picked up a new LG and LT, and drafted a promising new C. Plus, he picked up a decent RG the year before, and the RT was supposed to have been "improving".
Of course, the LT turned out to be average at best, the LG turned out to suck major a$$, the RG has been injured and underwhelming, the RT has been injured and basically also sucks a$$, and the new C won't be seeing much time this year, but that's besides the point.