Poor UI is also a bug. And why do other fast food chains not have this problem then? I appreciate that McDonalds tries to safe money on training of new staff, b

Poor UI is also a bug. And why do other fast food chains not have this problem then? I appreciate that McDonalds tries to safe money on training of new staff, but I just can't imagine that they do so much of a worse job at it than the competition. Did you see the video?