The supermarket I frequent has a sign outside the entrance touting their brown rice sushi. I don't think I've ever bought their supermarket sushi, but I have seen the Asian dude (have no idea of his actual ethnicity beyond that) behind the sushi counter near the deli. Today that particular corner of the market was unmanned and instead I witnessed some tall, dirty looking guy in a red t-shirt and jeans open up one of the packages of sushi, scoop out all the gari (pickled ginger) from that box and then put it into the box he was buying.
It was so disgusting. And I could smell the ginger from several feet away.