> In my experience when a customer acts angrily they are often intentionally trying to do something wrong. The article claims this too. I’ll be honest: it does

> In my experience when a customer acts angrily they are often intentionally trying to do something wrong. The article claims this too. I’ll be honest: it doesn’t match up with my experience. Self check kiosks are frustrating, even for people with the patience of a saint (which also should not be a requirement to buy things).