A couple of people have tried to go back in time to kill him, but were unsuccessful.
Idiocracy is a documentary
I still worry that even if DAC becomes really efficient and cost effective, it will only encourage large corps to pollute more. They will claim that since the emissions are removed anyway, they can keep pumping CO2 into the atmosphere without consequence.
They usually include drug overdoses as suicide on these statistics, so it makes sense that Nevada and other rural areas are so red.