Okay dizzie fair enough that you do support the idea - I still don't get how you thought he skipped over all the financial stuff, as it was covered in some depth.
You raise the interesting and inflammatory issue of those women pushing junk food through the school fence. I doubt that's a cost thing. Over time, it will be more costly for parents to stump up for their kids' junk food habits than pay for the healthy school meals. No, what that was about was that those parents have, through their own laziness, ignorance and stupidity, made their children into junk addicts. So when the school started offering healthy stuff, the kids - having been programmed to eat cr*p - didn't want it so were going without lunch, until the two heroic harridans turned up with their boxes of burgers and chips, to save the day and ensure their little angels remain firmly on the road to obesity and disease.
But the cost issue is one of the things JO was trying to get across - as I said, parents who don't feel they can cough up extra to help their kids eat better (maybe by sacrificing some of their own pleasures) - well, they're not proper parents. He was trying to convey that this is something worth paying for.