The message of the Bribri creation story is that Sibo , who was apparently the creator (God), decided to betray the Tapir Family so he can use the blood of the little girl tapir to create a fertil soil.
When Sibo realized that his plan of sending a bat to suck the blood of the little girl tapir so its dregs would transform the rocks into soil was being sabotaged by the King of Pita, he decided to convince the tapir family to bring the little girl to the place destinated for being soil.