@rmc - not what I said. Regulating privacy, as in ensuring a company doesn't illegally share your personal information after you register, is perfectly fine. But regulating how a user registers up for an opt-in service is completely different. If you don't want to use your real name, choose another social network, that doesn't have this policy.
It sounded in your original comment like you objected to all kinds of regulation of internet companies.
I personally have no strong opinion either way about if there should be a law banning real name policies. Such a law seems a bit silly, but I also see a bit of the point of having it.