> Teachers don't actually care about such restrictions. No, but textbook publishers do. The current state of affairs means that very few textbooks include the

> Teachers don't actually care about such restrictions. No, but textbook publishers do. The current state of affairs means that very few textbooks include the speech, because textbooks are sold commercially. Agreed, teachers are notorious for ignoring copyright (I've seen them photograph entire books for us in teaching), but that's a separate matter. IMHO, the solution to broken uses of copyright isn't to say, "let's just ignore it", even if that does have a desirable effect.