Pasco’s Second Law
This is pretty much straight from Ringworld and is basically a paraphrasing of the monoculture problem, but here goes: The more dependent a society is on a single technology, the more devastated it can be if that technology is destroyed.
As a result, it seems necessary to have contingency plans for technologies we adopt (computers, operating systems, power sources, etc) that may be rendered unusable in unforeseen events. We can not allow our society’s infrastructure to collapse as a result of such a catastrophe.