Anyone else notice how many people are buying guns and ammo that can't even use them?

At my local outdoor store, they have signs stating they won't sell guns to people who can't use them. People are pissed about it. I can't help but laugh at all these idiots who buy a gun like a Mossberg shockwave thinking it's a kid's toy, and it's like, bro, you got your first gun and it's a 12-gauge.