Interesting GE Dryer Air Fresheners
The air inside a GE dryer control panel is being constantly drawn into the air going over the heaters and into the dryer drum, the air in the control panel is changed every few seconds so it is far from random in operation.
Many years ago I did get to play with a GE dryer with the little aerosol canisters and it actually worked quite well, GE usually engineered things that worked, [ at least for a while ].
John L.