Remember all those 'Background checks do not lead to backdoor registration! You're being paranoid

and silly to worry about that!' lectures?  Problem:
“But the bottom line is that the state must try to enforce the law,” The Courant concluded, calling on the state to use the “background check database” to identify who has not obeyed, and to go and get them.

If ever there was proof that citizen disarmament demanders are lying when they scoff at legitimate fears that background checks provide a registration capability, this is it. And if ever there was further corroboration that they intend using that registration to enable confiscation, The Courant just removed all doubt.
Yeah, we can trust that those records are destroyed, sure, why would we doubt what they tell us...