Also, the implicit implication of the user youre responding to is that people objecting to this for privacy reasons do not also object to those other things for similar reasons, which is definitely not the case. Just because something is the status quo doesn't mean you can just assume people are cool with it.
That's a problem that's inevitable when there's age restrictions.
I can't buy a gun online without proving my age and ID, which goes through a government check.
I can't even buy electronic cigarette e-liquid without proving my age.
Porn is only now falling under these restrictions and it's really telling that this is where people draw the line.
Anyway, if you're worried about government spying, you can always get your porn at your local XXX store.
Also, the implicit implication of the user youre responding to is that people objecting to this for privacy reasons do not also object to those other things for similar reasons, which is definitely not the case. Just because something is the status quo doesn't mean you can just assume people are cool with it.