I think this article does a reasonable job of justifying some traffic engineering, and of highlighting the differences between a radical version of net neutrality ('all bits are equal')--which would make legitimate traffic engineering difficult--and a more nuanced version (no throttling based on how much you pay, etc.).
Cybera is a not-for-profit organization that works to spur and support innovation, for the economic benefit of Alberta, through the use of cyberinfrastructure.