If the gaming boards ever come to their senses, they'd realize that it would be in their best interests to integrate the player pools from the various states to increase the pool's liquidity. In turn, that would generate additional tax dollars for the respective states. However, with the powerful brick and mortar casino groups in NV, specifically Sheldon Adelson of the Sands Corporation, there's too much influence behind keeping PokerStars out of NV. That's not to say it will never happen, but as long as he is alive, Amaya gaming has a huge uphill battle to get into NV.
PokerStars isn't even doing great in NJ. They're doing alright, but they haven't seized marketplace control like many were expecting/hoping for. Governments are never known to move very quickly on many things, so this is one issue that's going to continue to linger on for (likely) years.