Ever since the earliest hunter-gatherer times, there has never been a crisis of this magnitude in the history of the human race, so I'm not sure what you're on

Ever since the earliest hunter-gatherer times, there has never been a crisis of this magnitude in the history of the human race, so I'm not sure what you're on about. Ever since we were more than a handful of people living in a single location, there has never before been a situation where, by our own actions, we were this likely to destroy our current way of life for the entirety of the human population.