Still though, in the 700 years that pass, humankind manages to accomplish an enormous amount. They go from a small group of people raised in a vault to an expansive collection of numerous civilizations with cities, Meridian being the crown jewel of the land, and religions. They certainly don't advance much at all from the past but they accomplish an enormous amount in a relatively small period of time.
Also Faro deleting all human knowledge is such a great conundrum. Yes, it is utterly tragic in ever sense of the word that so many of our great feats are lost. So much knowledge, so much art, so many great accomplishments. But he's also totally right, modern humans are spared to an extent. Not knowing all the the Old Ones knew results in them lacking the hubris of the ancients. There's a wonderful innocence to the modern tribes in Horizon. And a surprising amount of respect from them all towards nature and the machines. They all respect nature in different ways and all fear the ancients and their creations in different ways. It was probably, in the long run, good that Faro deleted all of it, even if it is an indescribably tragic loss.