Well that's because thanks to the CRE, we are not allowed 'black' cats anymore in the UK. They are now 'cats with significant hair toning'. 'The man in the street' as an expression is now banned to prevent offence in the UK to the 'woman in the street' (which seems to be not banned)-
Council staff banned from saying 'man on the street'... in case women are offended | Mail Online What were we talking about again?