You misunderstood! It doesn't matter if the customer is Canadian or not. If the developer is Canadian he/she must remain polite at all times. Even the bit about speaking crossly to those who deserve to have their face microwaved took a special vote of parliament and their mother's permission.
"The difference between genius and stupidity is that genius has its limits." - Albert Einstein
"As far as we know, our computer has never had an undetected error." - Weisert
"If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010