I don't think dev's are to blame here. They may have just mentioned something in passing and the internet "journalists" blow it out of proportion to get hits on their sites. For them, this console war is like winning the lotto I think. Imagine how much extra advertising revenue they get because fanboys get all excited over news like this. (note the advert at the top of this page)
Wait till final fantasy comes out lol
Then we'll see who maximised the ps3's grafics