We are nature.
Were the cyanobacteria responsible for the oxygen crisis guilty? Plants contributed to the first of the five major recognized extinction events: https://www.sciencealert.com/the-arrival-of-tree-roots-may-have-triggered-mass-extinctions-in-the-ocean
The first major difference with us is that we're capable of being aware of how our presence changes the environment, and therefore of changing our behavior. So I think you think both too highly and not well enough of us.