If early, advanced humans had made it to mars don’t you think they would have commissioned a better artist?
*********
Not necessarily, Maybe the artist was working under a government contract issued to meet diversity requirements. ;)
The popular lore holds that humans developed first on Mars. Then they trashed it and moved to earth. On earth they managed to lose their grip on technology and started over after a protracted time of really primitive dwelling.
I'm thinking that more sophisticated ruins would be on Mars if that story was true.
That’s probably it. I forgot the lessons of our current admins ineptitude in my post!