In fact, if you want to use any video you should be going here and running the 1440p feeds so that you try minimize the crazy compression issues in the videos that you had linked. Probably the best easily available feeds right now.
http://www.youtube.com/user/jackfrags?feature=watch
It seems pretty clear to him and to crazy hardcore guys on places like neogaf. Crazy that multiplayer is even remotely close to single player output . . .
But to be fair, some people may still honestly feel better about the Xbone output. I know friends and coworkers that honestly can't tell the difference between HD and SD. They still roll with VCR's and are likely not potential customers for the Xbone or PS4 though.
This is just the tip of the iceberg. I will be interesting to see how COD looks in comparison and as we move on from the launch window. If the difference is this big already, I think it will only get bigger over time as teams get more familiar with the systems unless Microsoft tosses moneybags to glass ceiling the PS4 versions.