It seems it would be much more effective to regulate ISPs, requiring them to disallow users from accessing adult sites and VPNs without first verifying their ag

It seems it would be much more effective to regulate ISPs, requiring them to disallow users from accessing adult sites and VPNs without first verifying their age. This also wouldn't be a violation of privacy since you are already giving your ISP your physical address. The only place users would be expected to identify themselves is over public wifi.