Ehrenreich's Maid to Order

What kind of values are instilled in children who grow up with a maid, serving as a sort of second mother who cleans the house, picks them up from school, and makes their food? Does this sort of a relationship create a superior mindset in these upper-class children, or does it lessen the social gap between employer and maid? Does referring to a paid employee as "part of the family" have equalizing or condescending connotations?