Leaving aside the obsession with so-called grooming gangs of only one ethnic origin  for a mo...

Yes registration would stop oaps from trashing their daughters accounts, having already trashed their own lol 
Perhaps oaps should be encouraged to perv with others who are not their spouses thereby hogging up available bandwidth to dissuade younger users 

But what is remarkable is the sheer disingenuous nature
You would expect someone who posts numerous threads on the same topic  to be appalled by the perpetrators not just in empty words but in reality, including social media.They would shun,reject and castigate such evil doers in reality or on SM platforms surely? 
They would never aid, support excuse and assist lifetime abusers on social media in promoting themselves under false pretences , never never never

But that is not the case  as we know dahlinks