trying to kill the La Buse pirate cryptogram myth and the rabbit hole goes deeper than the 'treasure'

the pirate treasure cipher everyone reposts. story goes: Olivier Levasseur, nickname La Buse, 'the buzzard', French pirate, gets hanged on Réunion island in 1730, and at the gallows he rips a necklace or paper off and flings a 17-line pigpen cipher into the crowd shouting find my treasure if you can……