They must have been sentient to some degree, but that semi-aware dream state would have been a rudimentary thing next to our own self-obsession. They were weeding it out. It was just a phase. They were on their way.
Because I don't know if there is such a thing as a reliable narrator
You rationalize, Keeton. You defend. You reject unpalatable truths, and if you can't reject them outright you trivialize them. Incremental evidence is never enough for you. You hear rumors of Holocaust; you dismiss them. You see evidence of genocide; you insist it can't be so bad. Temperatures rise, glaciers melt—species die—and you blame sunspots and volcanoes. Everyone is like this, but you most of all. You and your Chinese Room. You turn incomprehension into mathematics, you reject the truth without even knowing what it is."