Aspects of this thread remind me of classic Daily Wail "Oh, but you've got nothing to fear, just so long as you've got nothing to hide!" arguments against privacy, or "Oh, but what are you worried about, after all your Chiropodist and your Grocer already know everything there is to know about you!

Well, as I'm free to choose whether or notI wish to receive a service (requiring relevant information) from my chiropodist but I don't have a choice as to whether I share my sexual orientation with the government, of course the "similarity" doesn't cut it.

Unfortunately the argument that "it's my hobby to snoop on my ancestors", doesn't wash wish me. I don't consider myself obliged to indulge my potential future progeny's prurient interests in my private life. For one thing, I'll never get to know about theirs even if I wanted to, which oddly (or not) enough, I don't.