Thats what happens with out oversight and regulations, AKA the government, making sure people like this are not in the position to kill people. Anyone in that position should have a background check and random drug screenings and the proper permits to operate, apparently this company did not according to news reports.
Never argue with idiots, they'll drag you down to their level and beat you with experience
This is CABL.com posting #355320. Tiny Link: cabl.co/mbEA8