Why crying child wasn't called to party?

In the mingame "Give Cake to The Children" u play as Freddy Fazbear,you give cake but,crying child is alone outside who wants to kom bij with children..But,crying child got killed..Why he wasn't called to party?Why party closed when they wanted to kom bij their friends??Why didn't they hurry up?Why he was alone?And,why their vrienden didn't care about him?