Would you argue that if a man decides he doesn't want to pay for a child he helped conceive he shouldn't be forced to?
This is why it isn't a simple question. If it is ok to absolve the woman involved of all responsibility then it follows that it must also be ok to absolve the man as well.
The difference between a company losing your information and the government losing it is very simple. You can sue the company and the government will enforce the ruling should you win. If you attempt to sue the government not only can it decline to accept the suit in the first place but it can also choose how or even if it will enforce the ruling should you win.
Quit being so PC, they're blood diamonds. They are great because even though you can't see the blood spilled you can easily imagine it, thereby giving the diamond a rosy glint in your mind's eye. And as we all know red roses means love so, voila! Blood diamonds are the most romantic.
So are you ok with putting someone in jail or forcing them to pay for not filling out a census form? Of course it would be abused to pay for it, however jailing or fining people for not filling it out is a far worse thing for the government to do. Personally I would prefer it not being mandatory.