I think it will successfully strech that far (especially after VPN provders move into VPS to avoid) not least because no-one but the provider could be held responsible.
I can't see how they could apply it to VPS providers without meaning AWS, GCP, Digital Ocean, etc would all start having to do age verification checks. Can't imagine here would not be a massive push back against that.
I think they would include AWS and the pushback would be ineffective. Many AWS users could be immediately age-verified by existing payment card info.
Paying by card isn't enough to verify age. They'd have to specifically verify via passport or other ID.
It is in UK.
Ofcom, the media regulator, has set out a number of ways websites can verify the age of users, external, including through credit card checks ...