I've read Sapiens. And I liked it. It's very insightful. But that perception is a perception so I don't understand the distinction you're making.

Human advancement is a story we tell ourselves. Agree. That it in any way looks like a straight line is just not true. If nothing else, it looks coherent after the fact... because it's an extremely lossy story our limited brains can comprehend. But it's not reality. No entity in the known Universe "comprehends" the march of progress. They weren't there when it started. So I just don't know what we're talking about anymore.