All of this got me thinking about the history of the westward expansion, and got me to wondering how the exploration of the Solar System would be changed if there were an indigenous presence out there.
If we got into a situation where people start burning our records, then bring it on. That's the whole point. The gloaming has begun. We're in the darkness. This has happened before. Go read some history.
When the venture has been made of dealing with historical events and characters, it always seems fair towards the reader to avow what liberties have been taken, and how much of the sketch is founded on history.