Earlier quoted context omitted.
So why did they take the material? If you don’t want it, then don’t take it.
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This reply hanging off a thread about prior art is telling.
As surprising as it may be, the past can tell a lot about the future, as the past was present at a point, and the future is now.
Take an example about AI. This past couple of years isn't the first time that AI had been a hot topic. Look back to the late 80's -- there was a lot of research into it and lots of predictions about how the world would change -- but that didn't happen. It definitely didn't affect the general public as has today. So why is that? Looking at the different circumstances between the past and today (i.e., increase in computing power, availability of networks and broadband, general availability of computing devices, etc. etc.) could then be used to predict the future.
Looking back at the past can give hints about what the future may hold.