i reckon its more for being useless than for being on the phone.......
Tho customers are funny, they can be more than happy with the job you do, but if you do it too quickly they feel you arent doing a good job! or being paid too much! But until they realise how quick you are they are more than happy!
Maybe they thought he couldnt concentrate on more than one thing at once. Where they women by any chance/!!!

Maybe ginger kate might be able to answer
