According to Urban Dictionary, RTFM stands for "Read The F**king Manual." But I'm a lot more likely to "Rewatch The F**king Movie" or "Replace the F**king Mattress" than I am to read the f**king manual.
So what are teachers for? The delivery-of-content model of instruction doesn't describe all of what teaching is about. Most of what you really must know and be able to do isn't delivered to you. You don't need someone up there who knows all the answers to tell you what to do.