They are not all gone.Here a remnant remains.
First fracking, and renewables, together they created a mass die-off of Peak Oil aficionados. But technology improvements will not go on forever. Technical tire patching will cease before population can fall to healthy levels.
Naysayers and impatient narcissists cannot understand that nature runs on a longer time scale than the three ring circus in their brains. They have there time now, and they strut their stuff. But like the boy who cried wolf soon enough no one will listen to them.