So what does Google's lack of carrier cooperation mean for the future?

I'm all for google not bowing down to the carriers for LTE, but does that mean that LTE is completely out of the picture for future nexus devices? Does google have a plan to circumvent the carriers? I think we're really far off from google high speed every where (at best they'll add a couple of cities in the next few years), so I wonder what option they'll have for future devices. Surely the can't release a HSPA+ device next year, right?