In other words, the only thing that prevents you from hating shelf stockers at your grocery store is the assumption their employer doesn't sell data? I have bad news for you, unless you really enjoy hating workers.
Kroger, one of the US's largest grocery chains, has said that data is one of a few "alternative profit" businesses that could add $1 billion in profit to the company. Right now, those businesses generate about $150 million in profit, The Markup reported.