The game tells us what is known about the ancient race. A tiny part of mankind has just found out about them, how could they have any kind of “lore” or “knowledge” about them? More then “they build the temples and created the armillary, now they are not around anymore” is just not known. And for me that is enough, there are things that I don’t want to be explained. I don’t wanna know why and where the Dwemer vanished, I don’t want to know the origin story of the Borg and I don’t care about the fate of the ancient Starfield race. Not everything has to be explained, some things can just be lost to time.