As an ex-biologist, I think this is just down to a choice of words: as a society, you could see Nature as an enemy.

Man, even as an individual, or even a monocellular organism, you could argue that entropy is your enemy.

If an enemy is a useful concept for maximizing potential within your scope of choice, then be it.

Last one seems not to exist.

Did you make content for the Path of Exile and EDM community?

I also think more general communities (gaming, music) are what we need now, then later given enough growth, they will break into more specialized ones.