I think some of it is optional, they pitch it as a data saver so you don't run out of data. Or tell you can get unlimited streaming data as long as its low reso

I think some of it is optional, they pitch it as a data saver so you don't run out of data. Or tell you can get unlimited streaming data as long as its low resolution. And for QoS reasons, to keep bandwidth available for everyone. I think they are attempting to do it across the board for all video, so its not prioritizing one specific service over another. And remains semi neutral, I guess.