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Edit: in response to your edit:
Healthy ecosystems strive at equilibrium. If a species consumes more energy than its environment can supply or produces more entropy than its environment can dissipate, things go bad for the environment and for the species unless it can move to greener pastures.
What is true for species is also true for non-biological dissipative processes. Capitalism and the growth-fueled financial system are not perennial. In this context, humanity is part of the environment, and greener pastures is the automation epidemics, where capital is becoming self-sufficient.
This is dangerous for humans.