“they are able to…” Yes, but if they don’t then they’re still workers. If you get paid a wage contingent on your labor, you’re a worker. If you make money from scalping other peoples’ labor, you’re petite or bourgeoisie.
As for PMC, if one isn’t a manager that manages people that they decide to hire/fire, then they’re not PMC. That phrase has been so butchered online.
The thing is once people earn that much money, 99% of the time they do employ others. It’s how capitalism functions
People use it to mean professional media class and professional managerial class. Its stright iut the window now.