If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck.
Last time I checked, Uber wouldn't let you simply fulfil your duties of transporting people the way you find fit, for example. It's really not a B2B relationship in any meaningful way.
For those who do, sure. They are not gig workers, they are contractors.
Do we know that to be true?