I disagree that we can’t ban it. We can ban it, and prosecute anyone that does it heavily.
If the people don’t want it, we can ban it. If politicians want it and we don’t, we vote them out. It’s a matter of the will of the people.
The right to privacy is a battle that will never be won. This dragon will never be slain, because the technology isn't the problem - it's the people demanding its existence, and their ever-increasing ingenuity when it comes to thwarting our rights.
It can be slain. Political power lies in the people.