On the other hand there's always the chance there is always the chance he did actually find himself in a difficult situation with childcare and this was the least worst solution he could come up with. If that's the case though it would have to make you wonder about the value of his advice in other areas.
Usually when it gets to the stage of someone having to make a 'personal statement' to the media it invariably ends badly shortly afterwards. Anyone think of a time when the 'explanation' soothed the troubled waters (to mix my metaphors) and the press let it drop? Off the top of my head I can't.