[kristianp]

He/She is probably referring to the "Great Oxygenation Event"

https://en.wikipedia.org/wiki/Great_Oxygenation_Event

[eli_gottlieb]

I know. I just think we ought to care about our own conspecifics more than about pre-Oxygenation bacteria.

[fleitz]

I think you're confusing not having empathy / caring with not sharing your political views.