I think you're using a very overspecific definition of "contractor". At least half of my contract work has been doing the same job in the same office as the ful

I think you're using a very overspecific definition of "contractor". At least half of my contract work has been doing the same job in the same office as the full-time employees, just for less pay and less job security. (And I did get health insurance, through the contracting agency.) A couple of those gigs even came with a company laptop.