I know what you mean. I have multiple examples of experiencing this realization about different professions. For example, the day I discovered that they sell s

I know what you mean. I have multiple examples of experiencing this realization about different professions. For example, the day I discovered that they sell surveilance cameras in regular electronics stores, I was very surprised. Up until then, I had thought that only special kinds of highly trained professionals even knew how to get them and that the whole thing was a giant unified system that cost close to infinite amounts of money.