The Great Oxidation Event was caused by cyanobacteria — which are an extremely far cry from the intelligent, multicellular animals that are under discussion here.
Saying that chimpanzee cognition is categorically different from human cognition because cyanobacteria lack a sense of morality is like saying that you and I have categorically different reproductive functions because mushrooms produce spores.
Saying that chimpanzee cognition is categorically different from human cognition because cyanobacteria lack a sense of morality is like saying that you and I have categorically different reproductive functions because mushrooms produce spores.