Not really, principles.
" I mean we’re really not going to change anything we’ve done with Xbox One. We’re very happy..."
http://gimmegimmegames.com/2013/06/microsoft-ps4-wont-make-us-change-anything-weve-done-with-xbox-one/
I mean, he had the choice to be quiet, but if you are going to lie to me, I don't want anything with your product.
And yeah, XO has a lot of exclusives now, but how will it be in 3 years? 360 had a good launch, and then it was only Halo, Forza and Gears. Not enough for me.