This is what I would bet on. If you spent decades of your life knapping various "easy" and ideal stones for tools and getting quite skilled at it, it doesn't se

This is what I would bet on. If you spent decades of your life knapping various "easy" and ideal stones for tools and getting quite skilled at it, it doesn't seem like much of a stretch for them to try knapping a "difficult" stone just because it looks cooler and you can show it off.