There's something to this. For example, why do we assume the pick on the throw to Cobb was Cobb's fault; maybe it was A-Rod who misread the coverage or threw the wrong route.
A lot of us did this with Favre -- no pick was his fault, it was usually the receiver's fault for running the wrong route or not selling out to make the catch. Until he went to the Jets/Vikes.
Playing QB in that stadium must suck balls, but there's no way an objective fan (oxymoron, I know) can say that A-Rod had a good game Sunday.