I can see objections to T-Mobile's plan: It is a layering violation, since the network is dictating application requirements (the video streaming technology mu

I can see objections to T-Mobile's plan: It is a layering violation, since the network is dictating application requirements (the video streaming technology must be "T-Mobile friendly" to benefit from the zero-rating). It fails when users use VPNs, because the network cannot inspect packets or determine which service is used. Likewise with proxy servers, Tor, etc. It is not applied equally to all streaming services; T-Mobile maintains a list of registered services that is not even remotely comprehensive. So yes, this is a net neutrality violation, even if it is not the sort of behavior prohibited by the 2015 rules.