It's not a very good article - it's just a lot of projection based on a single example.
Human societies did develop significantly over that time frame - e.g. the discovery that plants could be cultivated and bred to improve their desirable quantities was one breakthrough that happened >10K years ago, the steady development of more complex language and ultimately the recording of language in written form - it's just that there might not be much of a historical record of these developments. Almost the only thing that's been preserved are the stone tools, which also show a steady improvement over time.
Human societies did develop significantly over that time frame - e.g. the discovery that plants could be cultivated and bred to improve their desirable quantities was one breakthrough that happened >10K years ago, the steady development of more complex language and ultimately the recording of language in written form - it's just that there might not be much of a historical record of these developments. Almost the only thing that's been preserved are the stone tools, which also show a steady improvement over time.