Verizon took the FCC to court the last time the FCC attempted to regulate them, and won. HOWEVER, in the process of "winning", that court told the FCC they needed to put the internet providers under Title II, and that is what the FCC is going to do later this month. Verizon knows that the FCC, by following what the last court said to do, is very likely to win any challenges this time around. They also know that if they want to keep any new municipal networks out of the areas that they service, they need to provide far better service and better bandwidth packages than most of the ones they are offering now. And that means they need more fiber. So it appears that they are accepting what the FCC is going to do, and in fact, preparing for it.
AT&T on the other hand is going to take the FCC to court and try to upset the apple cart. In the mean time, it is very likely that a number of municipalities will develop their own "municipal networks" in AT&T serviced areas, and in the end, AT&T will lose the challenge against the FCC, and a large portion of the customers to the municipal networks that are created.
It appears that Verizon has a win-win going, and AT&T has a lose-lose going.