They'd have to be CRB checked, and have child gates, and provide stimulating entertainment all day and inspected by OFSTED - oh look, they've become childminders, with all the additional expense and admin that entails.

Remember the story about the two police ladies who looked after each other's kids and they weren't registered - red tape to the nth degree!

All that regulation is what has broken down the society that really functioned quite well, thank you very much, bar the odd aberration, until the labour regime tinkered with it over the last decade, making it impossible for anyone to as much as pass wind without registering for it.

Before Cameron can artificially rebuild the Big Society, he has to take away all the restricitons that make people unwilling to put themselves forward, because of the likelihood of being sued or whatever.