And some of us do not believe the identity bit can be truly solved.

In the real world it's always people looking to suppress information or dissent that are pushing for such schemes. It always masquerades as protecting minors (protecting them from what? The one proper attempt to prove sexual materials are harmful found no evidence of said harm.) or as hunting for CSAM (and if you do implement an effective system it will get circumvented by putting relays in hostile countries.)