There will be if this moves up the chain some more and the IL Supremes also strike the FOID. Then it lays the groundwork for a split.
It would essentially force the basic question whether a license requirement to own a firearm is constitutional or not.
As not a lawyer without a long history of reviewing court cases, I would think that it would be "common sense" that anything requiring permission from a bureaucrat is not a right. Tack in fees to get your liscense on top of that. Requiring a liscense means that it is no longer a right but a privilege. Otherwise a guy sitting in an office with different politics could not deny you on a whim.