It should be a crime to actively harm someone else (physically, financially, emotionally, etc), or directly infringe on their rights. That's just about the only things that should be a crime, or regulated. Almost everything else is bullshit.
As it would apply to this case, there's absolutely no logical reason for refusing to issue a license. Rather someone does something sometimes is moot. As long as they obey the rules concerning carry, including where they supersede other rules. To prohibit a permit in this case is equivalent to denying a drivers license to anyone over 21 because they have the potential to drink legally, and therefore commit a DUI. Unless you catch them driving while legally impaired, you can't have their license. Same logic applies.