Im ignoring resistance coils etc. Why do things often have linear scales. When non linear is better Eg fans 3 speeds like 500rpm 1000rpm 1500rpm. Speed 1 still makes do much noise at night when I'm trying to sleep. Smartphone brightness even on its lowest level its still to bright at night, yet during the day going from 7 to 8 its hard to notice the difference IPod vol.

Vol1 is too loud at night with my head phones on. Yet I can't tell the diff between 12and13. Each step should be like 1.5x more than the previous or something for a better experience