The problem with bark as a by-product of shaped wood was that because we often need lots of shaped wood, we’d get stupid amounts of bark as well. I still have chests full of bark. A reduced rate would be ideal, but I don’t know if you could get less than one but greater than zero bark per shaped wood.
Before we could get bark from shaped wood I’d loot enemies and chests for bark. When we could get bark from shaped wood, bark as a loot was junk and I ignored it. Now I’m back to looting bark from dead enemies.
But, as they (thankfully) removed the oil component from Insulated wood, I guess it can’t be too easily accessible, so at least now the fuel for the drying rack is harder to come across.