If you read the article they are only a "nightmare" for big box retailers who are crying about theft. I love the self checkout and generally use it every time unless I have a specific reason not to
Who would have guessed that when you let the clients check themselves out they are going to miss scanning some items? It's not like they are trained or paid to be employees and of course their motivation is to scan less not more.
These corporations are saving money hand over fist by eliminating jobs, and use this as an excuse for why their profits aren't EVEN bigger! Their missed profit from an article here or there that we "forget" to scan doesn't remotely amount to their savings off the backs of the American blue-collar.