In article ,
says...
Therefore, each and every person MUST/SHOULD be treated with respect, even
if said manager or sales staff is working under pressure and feel that a
short, sharp, snappy response is all that is required :-((((((((((((

But learning a bit of body-language would save 'em pestering me with
"Can I help you?" when I'm radiating a strong "Leave me alone" glow.

--
Skipweasel - never knowingly understood.