"the ongoing biological diversity crisis is not a new phenomenon, but represents an acceleration of a process that human ancestors began millions of years ago."https://phys.org/news/2020-01-human-caused-biodiversity-decline-millions-years.html …
TBH I'd be surprised if the smartest vertebrates to ever evolve (our ancestors) _didn't_ start to out-compete other species as soon as they got even some marginal advantages in terms of cognition, coordination, & communication.
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We, on the other hand, have developed a sense of responsibility for the world around us, knowing that if we had just depended on nature to feed us directly (i.e., as hunter-gatherers), we would have fully decimated nature on earth long ago.
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H. erectus was spreading through Eurasia more than a million y. ago, so environmental impacts caused by human activities are nothing new. With agriculture we did encanced these impacts, but H.Gatherers were not such a saint: they deforested large areas, overhunted several preys.
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