>>11193429The life forms drawing that cave art was the engineer trying to explain to the captain that the nanotech wasn't going to hold out for much longer and this is the nanotech we needed to graft our bodies into the recently produced life forms from the genesis engines so that their illusions of existence could at the very least be sustained. Since the world did not have what they needed to continue life as they knew it.
The argument that lead to that cave painting probably looked something like this:
https://www.youtube.com/watch?v=9F3iBMYvQOs 