Surely the answer lies in not hiring domestic servants. Why would anyone want one? Kiss your privacy goodbye. And if you don't personally want the experience of raising a kid, you know who works cheaper than Guatemalans? Trojans.
True, but unless having domestics is banned then people will still demand them, unless the whole system changes - and what better way than to ease the self-indulgent decadents off the teat of cheap and malleable migrant labour....