[Why does FM sound better than AM?] Someone gave me an analogy some time ago that made a lot of sense. If you shine a flashlight through a tree blowing in the wind and vary the brightness to convey information, the signal can get distorted pretty easily. However, if you have a constant brightness source and vary the color, it’s a lot easier to figure out what the source is trying to convey.
They who set themselves to give precepts must of course regard themselves as possessed of greater skill than those to whom they prescribe; and if they err in the slightest particular, they subject themselves to censure.