Reasoning

Chesterton's Fence

Wind lifts the seedheads and combs them flat again. A man in a tweed coat leans a hip to a weathered rail, axe handle cool in his palm. The posts are gray with lichen; a beetle rasps inside the wood. Beyond, a pale track snakes through pasture, curling past earthworks and a low cairn. In his head: a noon bell, a little run of tiles tipping, a seesaw settling on its fulcrum. He does not swing. He waits for the reason that nailed these boards in place.

Old structures are not always good, but they are rarely random. A fence in the middle of a field may keep cattle from a sinkhole you cannot see from here. A rate limit in software keeps servers from melting when ten thousand hands arrive at once. Waiting periods, lint traps, dune grass tied with twine — each solved a real problem, once, and may still be doing it. Remove the thing only after you have traced the problem it was built to contain.

Therefore

Before you pull a post, find the wolf it held back. Understand the purpose first; then decide whether the purpose still lives.

A small reminder, on the team whiteboard or the garden gate, that strange old rules are clues — investigate before you swing.