[vvdcect]

> However nature also does similar insane experiments and produces plenty of catastrophe on its own

I'm curious about this, any references for me to read about?

[AndrewDucker]

Well, the Great Oxidation Event might count. https://en.wikipedia.org/wiki/Great_Oxidation_Event

[devoply]

Mutations, cancer, bacteria that cause major extinctions, etc.