A bunch of people form an organization so that they can work together to sell stuff.
When they're selling widgets, or other people's labor, we call those people "management" and we call their organization "business" and it's the standard way of doing things.
When they're selling their own labor, we call it a "union" and suddenly people have Opinions about whether they're really a good thing or not.
If Bob's Heavy Manufacturing Concern can collectively bargain with its customers when selling its Retro Encabulators, then Bob's employees should be able to collectively bargain with its customer i.e. Bob when selling their product i.e. their labor.
