I think the new approach makes a lot of sense. However, I think similar skepticism is warranted when it comes to Acheulean tools.
The acheulean handaxe: More like a bird’s song than a beatles’ tune? by Raymond Corbey, Adam Jagich, Krist Vaesen, and Mark Collard, in Evolutionary Anthropology 2016 Jan-Feb; 25(1): 6–19.
What do you think?