I think it is unrealistic to assume that the original few who enjoy their little walled garden will embrace net neutrality once these places have better infrastructure. Can you think of any examples of this happening? If you were a shareholder for one of the original companies would you be happy about it?

Also, I don't think very highly of Mark Zuckerberg's ethics, especially with regard to users privacy, but he's a very effective leader and there's no sense getting angry with his success.

It is up to governments to regulate markets, we can't expect CEOs to do anything but promote their own agenda. If you want to get mad at someone, take it out on government regulators who are corrupt or otherwise fail to promote competition.