How does simple theft sound? An employee of a Walmart store in Delaware was indicted for stealing "thousands of rounds of ammunition" as well as other gear from the store. While one employee's alleged theft of "thousands of rounds" likely had absolutely no effect on the national ammunition scarcity, the fact that it garnered national media attention, demonstrates that this issue is very much in the minds of shooters today.
Just to be clear, "thousands of rounds" could mean something as simple as a putting couple of bricks of .22 Long Rifle in his pants. Incidents such as this play on people's fears, but have little to do with the ammunition crisis that seems to actually be getting better.