Karen jokes are basically all truth. Rude, loud, entitled, and often rather stupid people are everywhere.
The problem isn't the warehouse or storage: the problem is a generation of people who've never been told NO and have never had to deal with significant shortages before.
They're the kind of people who would have been told "well, if you don't like it, grab a rifle and go have a word with jerry" during world war 2.
There's two ways to take that: