I think You Tube will play a huge role in teaching the shop classes and the trades over the next decade. I’ll let the videos speak for themselves. The first video is about replacing a stuck Moen shower faucet cartridge without wrecking the shower faucet. It is a sign of a true master that he can figure out how to do a messy and difficult job without making a mess and wrecking things.
The second video shows how a pro makes a laminate counter top. Here we see the importance of setting up the work and preparing it so the fit is flush and precise. This man has done this hundreds of times.
Now, you might not be interested in doing either one of these jobs, but if there is something you would like to try, or some work you would like to learn how to do, I’ll bet you can find how to do it on You Tube. A people can aspire to many great things, but it will only be as competent as its tradesmen and tradeswomen.