Wife Locks Up Snacks, Family Drama Ensues

Man oh man, nothing like some snacks in the household to start up a whole family drama. It sounds like there was a bit of an issue present with a particular kid not being able to exercise some self control in the face of some tantalizing snacks. So, mom decided to lock those snacks up. Apparently this upset her husband quite a bit. Was she in the wrong, or was her move totally understandable?