Congress has to do this so that Courts can rely on law to determine if an offense occurred. The problem we face is that many in Congress will want to lump into a much larger bill with some very untenable items knowing that as such it cannot pass. This is called virtue signaling which has been practiced far too often by Congress.
One simple bill, up and down. https://amash.house.gov/media/press-releases/amash-pressley-...