I was a blood donor for over 25 years. I still carry a kidney donor card - BUT I have a thing about eyes and I do not, repeat DO NOT want anybody to touch them. This is why this element of compulsion would be bad. I would like a tick-box system - I said this on the other thread. I think that it is a 'thin end of the wedge' bit of legislation.
If it goes through I would , very unwillingly, opt out. Sorry, but that's how it is. Too heavy-handed. All it would do is remove my kidneys, heart - and other bits I am very willing to donate - from circulation because I could not choose.