> it includes a proprietary technology and what the technology does is not only detect the video stream, but select the appropriate bitrate to optimize to the mobile device,

This sounds okay if you don't think about it too much.

I've seen what a piss-poor job T-Mobile does of image optimising, and so I feel sorry for the people stuck on the other end of a T-Mobile connection having their videos fiddled with.

It's not just image quality that suffers, everything about it is stupid. https://news.ycombinator.com/item?id=4484081