You’ve probably hear the saying that goes “the road to hell it’s paved with good intentions”… well, you might say something similar of zero-rating, the “new battleground for net neutrality“.
After just about everyone could agree that paying extra for premium access to some types of content it’s “A bad thing”, zero rating turns the situation on its feet: “here, have some Facebook and WhatsApp for free… but nothing else”, which it’s not only the immediate opposite of an Open Internet, but also a long-term threat to the kind of innovation and opportunities that we would like to see as an effect of a free and gratis Internet.
… of course, there might be some honorable exceptions and there should be a clear criteria for judging them (the linked article is in spanish).
Read more on Zero Rating and the Open Internet and Mozilla View on Zero-Rating.