1) There's always a new cohort of people that don't know the things you know. You assume since you know it, everyone does. But kids coming up, or whoever, aren't you. They don't know this stuff yet. You can easily be the first time they've heard "make something people want" and where that comes from. The Curse of Knowledge https://en.wikipedia.org/wiki/Curse_of_knowledge
2) There's always another tone/anecdote/verse that makes whatever idea more palatable to someone out there. They might not like the PG version, or the Wired version or the Daring Fireball version, whatever. There's probably some version of you in this lesson that someone out there vibes better with.