I’ve heard the only electronics item that is profitable to recycle are computers. The rare earth elements used to make the magnets in the hard drives are in high demand. The rest of the electronics are full of mercury, cadmium, etc, that are expensive to recycle and with little demand.
I believe the ICs all electronics are made of contain gold wires for internal connections. Some of the plug-in circuit boards contain gold for the contact fingers. There are Youtube videos describing how to extract the gold from those items. Which is in itself a possibly-health-destroying toxic waste event.