A 60-year-old software architect with a master's degree, living in his car, training Google's AI for $21 an hour. An emergency medicine physician who earned $500,000 a year, now evaluating chatbot responses for $30-140 an hour on a gig platform. A PhD who ran university programs, making $26 an hour training Meta's models with no benefits. These aren't hypotheticals. They're real people profiled by the Guardian this week, and they represent a growing category of work: skilled professionals using