Start from these two:
- https://www.eff.org/deeplinks/2025/12/10-not-so-hidden-dange...
- https://mullvad.net/en/and-then/uk
And remember that once these systems are introduced it will be very hard to get rid of them, and very easy to get them expanded to gate (identify users of) the more "radical" content, like environmental protests, opposing the genocide, perhaps opposing the monarchy...
If the establishment allows the companies, unpunished, to knowingly push teens into ED or suicide and at the same time says they "do something", you really shouldn't take it at the face value.
If you still honestly believe the reason for this is "protecting the children" (remember the next steps, mandatory, uninstallable surveillance on phones and IDing of all VPN users are in motion already), you can't be saved :(