>>718548384
She gave the MCI bodies so they wouldn't be aimless spirits and helped free them by repairing their memories (Happiest Day).
During Fnaf 3 she seems to have figured out who Michael is and that he wanted to help, but still was flippy floppy on whether she was hostile after that. She's weird, but if you were murdered you'd be suspicious of your murder's son's motives too, especially when that son acts as human bait in multiple animatronic traps.