That is what most people do... which is why those of us who write tutorials, write programming books, write blog posts, and write Stack Overflow answers have a

That is what most people do... which is why those of us who write tutorials, write programming books, write blog posts, and write Stack Overflow answers have a responsibility to go to the source. The more something gets repeated from person to person, the higher chance that somewhere in that chain, somebody screwed up. That's why people like professors, people who run YouTube programming channels, people who answer C questions on Stack Overflow, etc. should generally strive to cut down the number of links in the chain.