And not putting up a sign explaining why it's a necessary fence is a bad decision. Avoiding removing all unlabeled fences because they might, maybe, potentially be useful, is also likely a bad decision if taken to it's conclusion.
Chesterton's Fence is a reminder to actually get up, walk over to the fence and skim the multiple labels and notes the builders left there - because the big problem is usually someone looking at a thing that came before them, and assuming they understand what it was for, without bothering to actually check it.
