More likely zinc or brass.

Cook isn’t handling it like solid gold though (it looks too light). I bet it’s 24 karat gold plated zinc.

The YouTuber Emily the Engineer made one and tested it on her assistant, with success. But the video wouldn’t make you want to try it.

I’m fairly sure the “learn to code” thing was just a media campaign by corporations to assure an abundance of programmers, leading to decreased labor rates. Years earlier it was a push for electronic engineers and technicians.