So if I didn't voluntarily giving up my privacy for something (an invaluable product to use) you wouldn't let me? Why? It's none of your business what I desire from my personal privacy.
Because your personal valuation is likely very off-the-mark because the consequences of that action may lie far into the future or may actually happen to others and not yourself.
Also, if the product is really "invaluable" to you (e.g. you have no choice but to use it) then your choice to give up privacy wouldn't be voluntary either.
Also, if the product is really "invaluable" to you (e.g. you have no choice but to use it) then your choice to give up privacy wouldn't be voluntary either.
(Edit: added first paragraph)