It's a sad indictment of our society that there is a massive audience for this kind of nonsense - it's the television equivalent of poking the lunatics through the bars of Bedlam Hospital.
If you are someone who likes to gaze and gasp, or get into a seriously het up state about where your taxes are being used, then this is the programme for you.
If, like me, you regard this as another in an endless series of parading inadequate people before an appalled nation of viewers in some sort of ghastly unedifying Groundhog Day, then you will find something more fulfilling to do - placing things in the fridge in alphabetical order for example.
As to the finer nuances regarding the ethnicity of the participants - that is rather like caring if the wasps that buzz around your picnic are orange with black stripes, or black with orange stripes ... who cares?