yes, apple has a LOT of hidden complexity. Another example is their dongles - many of them have significant processing power, like video conversion chips inside the shell.

Or their chargers! https://www.chargerlab.com/apple-18w-usb-c-power-adapter-a16...

Airpods are a great example of good UX making things seem simple. There's a ridiculous amount of engineering that goes into making them work as well as they do.