Why force it by legislation? Verizon could instead let the infra sit stagnant and overpopulated, and watch all of it's customers go to another carrier who upgra

Why force it by legislation? Verizon could instead let the infra sit stagnant and overpopulated, and watch all of it's customers go to another carrier who upgrades their network to handle the traffic. The market can handle this just fine. All those in favor of net neutrality just want the carriers to be forced to treat bits like bits, not some bits being more special than other bits. Common carrier doesn't force infra expansion.