Earlier quoted context omitted.
I haven't read every comment he's made yet, but skimmed many of them... Why can't they be contractors? He said they're providing their own transportation and supplies. So he's just handing them clients and appointments, and a checklist of cleaning tasks to complete and a few limitations on the supplies used. Isn't that analogous to handing a contracted software developer a requirements document and a deadline?
It's possible if he does everything right. But the presumption by determining authorities seems to be in the 'employee' direction, so it's very easy to slip up. Does he tell them when to work? Employee. How to do their work (a checklist)? Employee. Provide supplies? Employee. Do they wear a 'Maid In Black' uniform? Employee. If he were a matching service, it might be easier. But, he's extending his brand/guarantee/mo…
Comcast has a huge independent contractor network that they use to subsidize their full-time on-site tech support. All of those contractors wear Comcast shirts, have Comcast written on their trucks, must meet customers at the times that Comcast schedules, and do receive at least a portion of their supplies from Comcast.