Your long rant basically says don't invest money at all, just keep cash in your mattress? That's pretty clearly not what was said. The upshot is that you are

Your long rant basically says don't invest money at all, just keep cash in your mattress? That's pretty clearly not what was said. The upshot is that you are better off taking the mental energy you would have expended on "investing" and subsequently worrying about your money, and instead funneling it into your creative endeavors