Just because a period of history is short doesn't make it _not history_.
Studying history is not just, or even often, a way to rediscover old ways of doing things.
Learning about the people, places, decisions, discussions, and other related context is of intrinsic value.
Also, what does "material substrate" have to do with history? It sounds here like you're using it literally, in which case you're thinking like an engineer and not like a historian. If you're using it metaphorically, well, art and philosophy are absolutely built on layers of what came before.
Studying history is not just, or even often, a way to rediscover old ways of doing things.
Learning about the people, places, decisions, discussions, and other related context is of intrinsic value.
Also, what does "material substrate" have to do with history? It sounds here like you're using it literally, in which case you're thinking like an engineer and not like a historian. If you're using it metaphorically, well, art and philosophy are absolutely built on layers of what came before.