We have all been stupid at times. But i despair at watching stupidity, and it is sometimes exasperating and sometimes amusing to watch people doing stupid things.
That's someone unable to express frustration and embarrassment at their lack of skill in a subject - they and the person helping them need more patience.
I know, Sanmac... :-). I just recall the reaction of a Canadian, when speaking, being asked....Oh, you're American? ....Grrrr..... I really was just teasing...x
:-). Actually wasn't til I lived in Canada that I became aware of the big differences between Canadian and American speech. Really happy when I could recognise which province a Canadian came from. Dave is now doing that with the Irish. :-)