There are many definitions of the word primitive. One means original, another is primal, another is crude, another is simple, another is elemental, another is self taught, another is tribal. I am not sure it matters one way or another. Stone age guys were working with state of the art tools and techniques. Iron age people were working with state of the art tools and techniques. Native Americans before and after first contact were working with state of the art tools and techniques. Otzi's axe was very advanced, and perhaps part of the reason he was murdered.
I think we trick ourselves by thinking we are on the cutting edge of primitive, or maybe we really are. I think looking backward for inspiration and state of mind, or maybe a philosophy, is more appropriate. And our entire society will be considered primitive or archaic 100 or 1,000 or 100,000 years from now.