The Koch brothers hired private investigators to trail, intimidate, and attempt to get dirt on Jane Mayer when she was writing Dark Money -- a book about how they covertly funded ultra-right wingers and climate sceptics to protect their hundreds of billions of dollars of oil investments. Charles Koch literally shoulders a non-trivial amount of responsibility for a possible coming semi-apocalypse, and he makes plenty of movie villains look laughably tame in comparison.
But this is a good step.