What Kind of a World Would We Have Now?

If we start from the premise that the predictions of the model are correct:

mixed woodland/savanna would have become more and more woody.
extinction of animals would have been restricted to those hunted and their natural predators.
animals not eaten by H. sapiens would have had more food to eat.
Back to the Holmes and Watson conversation
To the earlier exploration - "The Pleistocene Holocene Transition - The Case of the Arboricidal Megaherbivores"