While Wikipedia might be used as a storage service, it's actually Facebook which is being used to share access to the stored data. How trivial would it be for F

While Wikipedia might be used as a storage service, it's actually Facebook which is being used to share access to the stored data. How trivial would it be for Facebook to clamp down on those groups from Angola which openly advertise themselves as sharing hubs? Facebook after all is no stranger to blocking content, sometimes even if it is legal.