Earlier quoted context omitted.
We are talking about time frames that are many times longer than the existence of modern humans as a species. We have absolute zero clue what most humans did 200k years ago, we have only little knowledge what humans did 4000 years ago. How can you expect us to communicate with a world in eight hundred thousand years, or 1.6 million years? We don't even manage to get any of the nuclear waste out of our oceans we put t…
What are the odds of having large chunks of learned knowledge wiped out at this point? When the Romans did it, few could read/write and few people had access to the stored information of the day. That made it very easy to sequester knowledge. At this point in time, other than ELE type of events, can knowledge be kept away from all of humanity now? Sure, dictators can make it hard for the parts they control, but the r…
Ancient Egypt was a super advanced civilization continuously existing for 4000 years! Yet shortly after the decline nobody could read Hieroglyphs anymore.
We don't know what the future holds. Lets say in 50 years a low intensity Gamma Ray Burst hits earth and destroys all digital information but fries only half of all living creatures. The survivors dig trough the trash of the past to get to the rare earth metals they need to rebuild their civilization and find this really neat bunker with those funny signs...