He never said the video was supposed to be about learning. The entire channel seems to be based around technology crafts. It's not my cup of tea but that doesn't mean no one else shouldn't enjoy it.
Oh, I didn't say no one would find it enjoyable. It's quite the opposite, actually: videos optimized for engagement tend to be more enjoyable for most people. You don't get to 2.4 million subscribers by making videos that no one likes to watch, after all.