Fable
The carriage company removed an entire row of unused carriages
The long-distance carriage company had a fixed fleet, and each carriage had seats, a luggage rack, and a driver. In the early years, when they were full, departing as a whole fleet was the least trouble.
Later the passenger routes scattered, and some carriages were half-empty year-round. The fleet still set out at the old scale, with horse feed, drivers, and bridge tolls all weighing on the books. The shopkeeper first had the drivers feed each horse a little less. The horses ran slower, passengers complained, and costs didn't drop much.
Someone proposed randomly removing a few planks from each carriage. The carriages seemed lighter, but no fewer drivers were needed, no less bridge toll was paid, and repairs became even harder. The new dispatcher instead looked at the role of whole rows of carriages: which one never had key passengers year-round, which routes could be merged into adjacent carriages, and which seat classes could be eliminated entirely.
They removed complete carriages, entire sets of seats, and whole luggage racks. After the fleet became shorter, horses, drivers, maintenance, and bridge tolls all decreased accordingly. At first, passengers worried that fewer carriages would make it crowded. After several rounds of route adjustments, the fleet could still cover the main demand, only it no longer dragged an entire empty carriage along.
That random plank removal also left aftereffects: the carriage was lighter, but it leaked rain, and the luggage rack was loose. The repair cost offset the saved horse feed, and passengers still remembered that terrible journey.
The carriage company first saved on horse feed, loading a little less in each cart. The books looked lighter, but the convoy still needed the same drivers and paid the same bridge tolls, and half-empty carts still rolled along. What was saved was crumbs; the frame that truly slowed the convoy was still there.
Later the shopkeeper calculated by whole carriages. Some routes had long gone unridden, so entire carriages were removed; some luggage racks were never used, so they were changed along with the carriage. The fleet lost a few carriages, yet the routes could still be covered, and the extra horses and drivers moved to busy lines. To truly make the team lighter, you have to remove whole structures, not just pick out a few nails. Passengers initially worried that fewer carriages would cause problems. The shopkeeper showed them half a year of tickets: what was cut were whole carriages that had long run empty, while busy lines actually added trips. If subtraction is done structurally, what gets lighter is cost—not service.
The manager understood that pruning that can be immediately sensed by ordinary road systems often turns into real efficiency more easily than piecemeal board removal.