Those are actually sanitizers, not dishwashers. The washing part is done by humans, before the washed dishes get fed to the sanitizer.

Source: I did that dishwashing job in school, to pay for my lunches.

Don’t get me wrong, I love a good dishwasher. But we need to recognize the difference in the jobs here.

And bad dishwashers? Well, let me just say that we will never, ever have another Bosch dishwasher in our house.