Found this article to be interesting... Apparently Microsoft was sued in a class action lawsuit(early 2000's)for using " permtemps". Sound familiar? I wonder if Nike follow a similar fate?
"Permatemps are long-term temporary employees who may work at a company for years without getting the benefits given to regular workers. The Microsoft case has been closely watched by technology industry groups and legal observers because it could force companies to offer benefits to at least some of their temporary and contract workers -- a big issue in the IT world."
https://www.computerworld.com/article/2589538/it-personnel-microsoft-to-pay-97-million-to-settle-permatemp-case.html