That bothered me for a while about a dryer I use. Eventually, it clicked for me that it based its estimates on a best guess at the material and quantity you’d b

That bothered me for a while about a dryer I use. Eventually, it clicked for me that it based its estimates on a best guess at the material and quantity you’d be drying in that cycle; but it (correctly, in my view) actually timed the cycle based on feedback from humidity/temperature sensors in the air path. I prefer low-heat, “delicate” settings for most everything (and even that, only in the rare cases where I don’t have time to line-dry). And I favor heavy natural fibers. So it routinely takes much longer than the upfront estimate for a light load of polyester dainties. But I’m happy to accept the error now that I understand it’s the same tradeoff I’d choose: doing a proper job of things, instead of cranking up the heat or something to hit the time target! That infernal 30-second end-of-cycle jingle, though… I’d much prefer an assertive but ambient kind of droning sound or something.