Can you explain to me how not working and making $0 per hour affords one a higher standard of living than working and making say $15 an hour, which plenty of re

Can you explain to me how not working and making $0 per hour affords one a higher standard of living than working and making say $15 an hour, which plenty of retail and service jobs are starting at today? I don't logically understand how someone can complain about pay being too low when working at all would be a huge raise from their current income.