Notice the sarcasm
That's because the first guy thought he was really clever, but he WAS the first guy, so there wasn't alot of Time, once-upon, before he opened his mouth, and, as a result, all said first guy ended up with was a bunch of newly literate cave folk looking at him from across the fire trying to decide if he was worth the headache of keeping him around or if maybe he ought to be the "volunteered" next time they needed to stake something out for saber-tooth bait.