I always forget that this game was developed by Rare.
Please compare and contrast the synopsis on that image (taken from ) with the actual final game:https://www.youtube.com/watch?v=ZBTqURvr_jE
Something must have happened behind the scenes.
Also it's a collectathon! You collect Freddy's bones in order to burn them and defeat him once and for all. Jiggies are for kiddies.