So websites now no longer simply want new users, they want unique,verified users. I understand the need for such verification when a webmaster wants to prevent

So websites now no longer simply want new users, they want unique,verified users. I understand the need for such verification when a webmaster wants to prevent easy re-registrations of trolls and/or banned members, and it's still better than Google's invite only system for when they release something big like gmail or g+, but it's a dark pattern all the way.