Comment by mkl

No it wouldn't, as we already think it's pretty likely. Chimpanzees use tools, so our most recent common ancestor with them, something like 6 million years ago, may well have used tools too. https://en.wikipedia.org/wiki/Tool_use_by_non-humans, https://en.wikipedia.org/wiki/Chimpanzee%E2%80%93human_last_...