> They had to walk their own dogs and play with their own children.

Oof, that one hits hard. My dad was an executive, mom was a housewife/socialite, we lived in Mexico. Had our own live-in maid, gardeners/handymen for outside chores. I saw them more than my parents. I can totally see them hiring robots instead of humans. Once technology gets cheap enough, the masses adopt it (in the 60's TV was an electronic babysitter)