There is a concern that officials who are given a regulatory licence will simply run away with it, promise the Earth to their Minister and to the public, but very, very rarely return with the evidence that the legislation that they've asked for is working, and to actually ask for tweaks. Because nobody who's asked for something, promised that it would work—those people very rarely have the courage to come back and ask for it to be fixed afterwards. That's why we need to get it right this time. 