Most forms of encryption also do very little to effectively conceal which application-layer protocols are in use, which has implications for ISPs with incentives to degrade BitTorrent, third-party VoIP, etc..

edit: It occurs to me that I'm apparently goddamn old now, and a good few HNers of 2017 might be too young to remember the whole Comcast/Sandvine/BitTorrent mess [1], viz. the history of this not being a hypothetical concern.

[1] https://en.wikipedia.org/wiki/Sandvine#Network_neutrality_de...

Not only that, but I'm seeing a lot of people mentioning VPNs as a solution when they're really not. Sure VPNs obfuscate your destination, but not the fact that you're connecting to a VPN, and without net neutrality, what's stopping them from seriously deteriorating the quality of VPN traffic unless the VPNs cough up some dough?