Yes, he always paid. He was a doctor, not a lawyer. Doctors pay, lawyers are a different story. I didn’t do work for lawyers unless I knew them personally.
I once read an article about a lawyer buying a new house in CA. When the developer found out his chosen profession, he backed out of the deal, saying he refuses to sell homes to lawyers.
The various experts called by the columnist all agreed that the lawyer had no recourse. You cant discriminate based on age, sex, race, and the like, but you sure can on occupation.