Were any of these people arrested fro carrying a firearm “illegally.” No. So they clearly don’t have standing to sue. And besides, if they were, then it’s because they are MAGA inusrrection conspirators out to overthrow “our” Democracy.
According to Judge Napolitano, when it comes to contesting the constitutionality of a law, there is precedent that whoever is bringing the suit has standing, because damage to the Constitution is damage to everyone.
18USC274
The harm is found in the nullifying of the 2A right.
An arrest does not need to happen.