It is clear that these morons didnt understand anything about stage lighting risks. They obviously just went with whatever light sources gave the best bang for

It is clear that these morons didnt understand anything about stage lighting risks. They obviously just went with whatever light sources gave the best bang for the buck. Cheap green lasers, cheap high-power UV lamps, no respect for best practices. I bet that a close look at the stage structure would reveal other shortcomings too.