> If a customer ever feels the need to hit that button, then the people who have built and sold the robot have failed. He is not against the button per se: it'

> If a customer ever feels the need to hit that button, then the people who have built and sold the robot have failed. He is not against the button per se: it's "just" that it should never be necessary! Removing the button would require enormous trust from the customer (very hard to obtain) and from the developers (impossible to obtain, because they know!), apart from legal aspects concerning personal safety.