Waste is kind of a stretch. Every outsider involved would be getting paid. If I'm hosting a race, ensuring medical staff, etc are present it's not really a was

Waste is kind of a stretch. Every outsider involved would be getting paid. If I'm hosting a race, ensuring medical staff, etc are present it's not really a waste of their time if someone does get hurt/dies. It's literally why they are there. You could argue that their qualifications can be better used elsewhere but that applies to anything.