Before I was a TV producer/director over 10 years ago I was a Wal-Mart employee and I have pretty much seen it all. Not quite as much as this but enough.
How did I live without Purell? I constantly washed (and still do.) It was my job to sell bb pellets to white trash. I hated it. I am so against any sort of gun shooting that I used to preach safety and peace to the customers. I would ID everyone too. Even old people. Just to be a shit.