Is the guy trying to sneak in Federal pre-emption vs. the states, in the same way that some states have pre-emption vs. counties and cities?
Hmmm . . . if they were to explicitly criminalize states as well as individual bureaucrats and individual officers who fail to respect a Federal pre-emption law, maybe there would be room for discussion. And of course, they'd have to get rid of secret disqualification criteria, so watch lists and no fly lists wouldn't apply.
And if they're doing background checks, no need to limit to semi autos, approval should also include full autos (goodbye, 1986 MG freeze), suppressors, SBRs, and DDs. In fact, goodbye NFA '34. And there would be no problem with approved people purchasing via mail or across state lines, so goodbye GCA '68. There would have to be some safeguards in place - right now, I don't know what kind - so regulations or incremental changes couldn't be worked in to gradually gnaw away at desirable provisions.
Otherwise . . . not only no, but hell no.