The solution to spam is that everyone replies to the spam and engages up to the point that human labor is required, thus making it financially impractictable
The solution to this problem is not to provide YOUR ID but to provide AN ID, again and again, once per day. Again - cannot scale if a manual check is done by a human somewhere, flipside if it's fully automated now it's game-able
Interesting idea. If you're of age, then arguably there would be no material deception from using a fake or borrowed ID to prove that you're of age.
I don't believe for a second that this argument would stand up in court, but it would at least be a rational form of protest against having to identify yourself.
The solution to this problem is not to provide YOUR ID but to provide AN ID, again and again, once per day. Again - cannot scale if a manual check is done by a human somewhere, flipside if it's fully automated now it's game-able