I think in this case its fair to assume what I meant was "the secretaries whose jobs were replaced in the 80s and people like them", or "the people whose jobs will be replaced with AI today"; not "literally the poorest and least educated people on the planet whose basic hierarchy of needs struggle to be met every day."
Extreme poverty decreased, child mortality decreased, literacy and access to electricity has gone up.
Are people unhappier? Maybe. But not because they lack something materially.