it is just becoming possible to have an infinitely persistent entity

You’re just describing a library. And we’ve had those for millennia.

That said… we’ve had libraries for millennia! Imagine all the alternative universes in which Euclid’s Elements or Plato’s Republic or The Analects of Confucius or Naturalis Historia or On the Revolutions of the Heavenly Spheres were lost before they could become cornerstones of human understanding.

Imagine a world in which we never developed the capacity for language or the faculty for written text.