Didn't say it did, but it's a very relevant point in all of these discussions as normal wage law can get tricky when you're involved with contracted services.
DoorDash can claim they aren't paying for the time, but for the service. And how long that service takes is the responsibility of the contractor.
Is it dirty? Very. Does that make it untrue? No.
So the first step in any of these cases is to get these gig economy apps to admit that they're just trying to circumvent wage law by classifying employees as contracted services.