Not everyone 'buys' the "Out Of Africa" theory.
Understood. Take a look at "Out of Africa and China?"
True. The similarity in debating technique between Homo academis and Alouatta caraya argues strongly for a South American origin.
You have the Saberteeth going West to East along with Horses and several other species, temperate animals for temperate times, no icebergs to float over on and the sea is deep.