Only if I accept a loose definition of human.
I don't accept that the shape of the skeleton is what makes up a human.
A human has language.
Look around.
So when you wrote that "The use of fire predates humans. So you are talking about an environment shaped by an animal like a human for a long time." you were really trying to say that the use of fire as a tool to shape habitats long predates language in our ancestry?
What's your evidence for that claim? When did our ancestors start to control fire, in a meaningful sense, and when did they start to develop language, in a meaningful sense? And how do you know?
Please be specific. I'm but a mere linguist, but I've had good conversations with who I consider to be the top expert on the origins of language from a biological perspective, and he agrees with me that a lot of that is still an open research question.
Also, how do you pass down the knowledge about how to burn the bush without jeopardizing the camp without language?