With that I do think there's a very big danger if you're an Uber/Lyft driver, both obviously when you're driving passengers but also now even when you're not taking fares.So the existing already law that states it does not need to be solely for public use to be prosecuted. quoted above and link below.
Md law public conveyance
Also, this would explicitly ban firearms in the cockpit of airlines. I'm sure there are many state laws that incidentally come into conflict with the post-9/11 FAA/TSA rules on that, but I doubt many explicitly put pilots in danger of prosecution.