Van de graaff generators discharge with painful shocks. I would expect something like described in the article to kill someone.
https://skeptics.stackexchange.com/questions/53985/was-an-in...
"The article says that because of the insulating nature of the floor and and footwear, no discharges occurred."
https://skeptics.stackexchange.com/questions/53985/was-an-in...
"The article says that because of the insulating nature of the floor and and footwear, no discharges occurred."