I only saw part of it, but what an odd documentary. Or 'documentary'. For a start, none of the families were 'posh' at all, just very wealthy international nouveau riche, which is a whole different phenomenon. Sure, the UC has traditionally outsourced its parenting to nannies and Eton, but don't generally go in for hiring toilet training consultants and teams of ninja nannies.
I had loads of questions that were never answered, at least not in the bit I saw - was the dark-haired Fanta-giving nanny ever hired by Yoga Mummy? (Not a chance, I imagine - the apple juice was a test, ditto the meal, and she failed both.) Why didn't the nice Filipina nanny for the Nigerian mother return home to the Philippines now she has put her children through university - are other family members still relying on her?
And how old was the little girl for whom the toilet training consultant was being hired? She seemed barely able to walk yet, and veyr uncertain on her feet, and I couldn't figure out whether she had special needs of some kind and was a late walker, or whether she was being toilet trained very young...?
And does the portrait painter go home in the evening and piss himself laughing about how much he can milk the dimwit 'fashion designer' mother for, while all his old art school chums starve in garrets?