This is nothing new and hardly unique to the tech industry. Back in the 90s I worked summers at a factory that made door latches for Honda, Chrysler, and Nummi.

This is nothing new and hardly unique to the tech industry. Back in the 90s I worked summers at a factory that made door latches for Honda, Chrysler, and Nummi. About 1/3 were "temporary employees" employees of Manpower even though some people were there for over a year. Same job lower pay and no benefits.