Looking at Steven Mithen’s Book (2024) “The Language Puzzle” (Part 11 of 23)
0097 The earliest stone tools show us that, once a team becomes both successful and long-lived, the disjuncture between the two selection pressures remains. Once a new team habit settles in, individuals adapt to the habit over generations, rather than the habit adapting to the individuals.
One clue to the validity of this conclusion is found in the stability of stone tools.
Here is a timeline.

0098 Oldowan stone tools are made the same way for almost a million years. To me, this suggests that the perspective level of the following interscope does not change, because the team activity persists over generations. Improvements in the Oldowan team activity are not as crucial as discovering another lucrative team activity. The Oldowan team is one. We do not know how many others there are.

0099 But, what about the individuals that participate in the Oldowan team activity? Are they subject to natural selection for abilities to assess which stones to choose for rapid construction and whether a carcass is worth scavenging?
Yes, the content and situation levels of the above interscope show features where natural selection can operate. Obviously, there are many specialized cognitive abilities that can be rewarded, through natural selection, over many generations. Indeed, while the Oldowan stone-tool “kit” remains stable, a new species of human evolves, complete with substantially larger brains.
0100 After Homo erectus appears in the fossil record in Africa, a few more hundred thousand years pass before the team changes. Mithen describes Oldowan and Acheulean stone tools in detail, but does not elaborate on how they were used.
0101 Oldowan stone tools are utilitarian and made on the spot. Opportunistic scavenging seems to be the likely definition of success2c.
Acheulean stone tools are more sophisticated and are made ahead of time. Perhaps, this implies new ways to extract food. Homo erectus hunt some sort of creature that can be taken down with what appears to be a fairly large stone tooth. This is not the only possibility, but it is the one that appears in the following figure.

0102 Perhaps, the Acheulean stone-tool kit is used by more than one team.
It is difficult to know, without time travel.
If we moderns could time travel, I suspect that we would be amazed at the variety of extractive technologies that Homo erectus masters prior to the domestication of fire. Homo erectus migrates out of Africa and into Eurasia around a million years ago. Then, along with the domestication of fire, more refined Acheulean stone tools appear. New stone tools imply that new teams are constellating, this time with hunting definitely in mind.
0103 Here is the ongoing timeline of hominin evolution.
