Wireless is different, no matter how much money a wireless carrier is willing to spend, there is a finite limit of how much data can be transferred through the air and only a limited amount of spectrum that is good for cellular service.
The video/music producer can opt out and be treated like all other data and watch their customers prefer providers who went through the trouble of filling out some paperwork or they can be on the same level playing field as their competitors.
". In comparison, the countries with prevalent zero rating practices from their wireless carriers consistently saw data prices increase. This makes sense; carriers have an incentive to raise the costs of exploring alternatives in order to make their preferred, zero-rated choice of content more attractive."
Did you even RTFA or did you came here to defend TMobile.