he's just promoting his game. this time he has reason to promote the ps3 since they have a multi level deal with sony. i thought it was cliffy b who was doing most of the trash talk though.
the thing is that he uses certain true things to emphasize a false point sometimes. like saying gears couldnt be done on ps3 (false), because the 360 has a unified ram architecture which makes it better for graphics whores (true). this time he is actually being some what more tame.