0.12 does not sound possible. There is so much guess works and speculation that I have a hard time considering their “facts”.
Results vary depending on methodology used, but commonly cited numbers say that modern humans are 99.9% identical in DNA.
Neanderthals were 99.7% identical and apparently interbred with humans, making Neanderthals the same species as humans.
By contrast chimpanzee DNA is around 96% identical to humans, cannot interbrede and so are classified as a separate genus of great ape.
You don’t know what you’re talking about.