Read it again, again
There is no escape route from TimBL's quoted words, and they are just plain wrong.
The network *requires* differentiated services to work properly: voice packets need low jitter and low bandwidth, video packets require moderate jitter and high bandwidth, other content packets can tolerate jitter and need all the spare bandwidth, and network control packets like routing protocols need to get absolute priority. The network neutrality zealots simply prefer to ignore this inconvenient truth, and we risk a debacle as a result.
I think TimBL needs to read a book on queueing theory.