Whether or not it's worth to vote is an entirely different problem! *grumbles about the 'coalition', how well it's worked and how everyone wanted it*
I call people daily and at times have to confirm details that these people really do put up for everyone to read, all too often publicly (*avoids giving Facebook the accusing finger*). It's saddening, but all you can do is follow laws, procedures and suspicions..
If I am forced to register my own personal information when the site in question doesn't use it (save, maybe, targeted advertising), it seems a case of buckle up or the door's on your right; They're fine holding all this information about you for no particular reason.. Nice to see the ICO care about who holds what information about us, 'private' or public.
Reminds me of the exact moment I stopped using Windows Live Messenger..