http://tenchan4v5bnlu3gatyjyctlsb25asvncbz4pr7gmomhsrvyx5zfpcad.onion
The internet isn't some physical place where you can shut down the service, otherwise places like the pirate bay or any piracy site would of been gone long ago. If age verification was to be done correctly each device has a finger print and a database could be created of hardware fingerprints of 'child' devices.