He is listing the size of the new MBP vs the 13" Macbook Air as a pro, but in fact even the previous MBP had a slightly smaller footprint than the 13" Air, this

He is listing the size of the new MBP vs the 13" Macbook Air as a pro, but in fact even the previous MBP had a slightly smaller footprint than the 13" Air, this is even smaller though. The Air is in fact a pretty large 13" laptop in terms of footprint.