The irreversible global catastrophe is imperialist militaries massacring people with little risk to themselves. 
The irreversible global catastrophe is assembly line robots at the Toyota plant becoming sentient and going on a freaking epic terminator style mass shooting and enslave everyone except me 
Yeah but we won’t just unplug it because we believe life is like the movies where it happens at the last second thanks to a gritty group of outcasts.
Never mind that the movies “based on a true story” dramatize things to hell and back and focus on the actions of one or two people when most major changes are made by movements that are organized and have laid years of groundwork to get to a tipping point.