Earlier quoted context omitted.
It says "... or workplace". Uber drivers don't work in Uber's buildings.
This is not quite an exclusive or. The service is not outside of business standard variety. Other cab companies have client driven matchmaking systems too now... They also employ office workers. The workplace for a cab driver is his car. Therefore, what Uber does would make them a cab company that abuses contractors instead of employing employees. However, the key point here is the test A. If Uber is specifically tel…
"the services provided were either outside the usual course of business or performed outside of all the places of business of the enterprise"
Regarding other cab companies, most cab drivers have been traditionally classified as contractors. The idea that Uber introduced this practice is propaganda.