I think the point about "positive discrimination" being condecending is moot for many in society today, it seems that the vast majority are not only willing to take a hand-out for something not earned but many actively seek it, the concept of pride in achievment is faultering.
Here in Norway there is positive discrimination to get men to work as nursary assistents as it's a female dominated profession. This got me thinking, why? When a profession is dominated by one gender or ethnicity or other grouping, is it desirable to artificially stimulate a more diverse grouping? What are the advantages? I'm all for equal opportunity, equal pay for equal work and equal treatment but beyond that, surely not every profession needs diversity.
I accept the argument that certain qualifications might be gender or racial specific, for example, a community police officer in Handsworth is far more likely to be successful if they are black or asian and as such the police might want to specify that they need a certain number of black or asian police but that is about qualification for the job, just like there was (not sure if it still exists) a height requirement for the police or the need for 20/20 uncorrected vission for fighter pilots, these are geneticly controlled matters that are still acceptable job qualifications.