Well said. Also, with a real threat of mass deportations and registries — and odious people moving into the DHS and AG roles — restricting dialog to those who are willing to give their government-issued ID to Facebook is another way of destroying legitimacy with non-white and non-Western users.

(And other marginalized groups as well, of course. The Geek Feminism Wiki has an excellent page on Who is Harmed by a Real Names Policy?)