The only obvious answer in for insurance purposes. SOME Americans live for lawsuits. FIRST is covering their bases since they bear ultimate responsibility as promoter. They would be the FIRST to be sued, along with the venue where it happened, along with the Team that loaned the tool, along with the Fast Food restuarant that served up the too hot coffee that spilled on the machinist who lost control of the grinder, that took off the finger, that hit some one else in the eye, that caused that person to bump the person operating the bandsaw:, which sliced into the arm......You get the point?
