My wifes nationals get called 'flipflops' = Filipina and if you visit Thailand you are referred to as a 'felang'=foreigner.
It really is only here and the US where we appear over sensitive.
Indians have a caste system and one of their caste are referred to as untouchables. A far worse label than simply abbreviating the countrys name from Pakistan.
I'm a Polak and PaulB is anything from a Mick to a Paddy. However all that said we are adults and are able to rationalise such behaviour and terms.Youngsters can't so it's important that we set a good example and those on TV being beamed into millions of homes should be far more careful when using such terms that can and will be misinterpreted.
Marek the Polak