Why is age verification an invasion of privacy ?
If you want to buy alcohol, you need to adult.
If you want to enter a night club, you need to be adult.
If you want to drive a car, you need to be adult.
We have long decided that there are things children shouldn't be doing, and we have put protocols in place. Why should the Internet be any different ?
Especially since the Internet is a place where the worst of human tendancies show up.
Now, I have no idea how this should happen, but I pretty much agree it should.