‘Overshoot’ is when a species uses resources faster than can be replenished. We’re already there. And show no signs of changing.
Humans have a virtually unlimited capacity for self-delusion, even when self-preservation is at stake.
The scariest example is the simplistic, growth-oriented, market-based economic thinking that is all but running the world today. Prevailing neoliberal economic models make no useful reference to the dynamics of the ecosystems or social systems with which the economy interacts in the real world.