Yep Bruce I agree I also found some parts of their refusal particularly offensive and not the sort of language you would expect from somebody employed in such a position.
In your case what is even stranger is you appear to have clearly fulfilled all the requirements for your wife to join you in the UK and yet they are unable to grant a visa for a 5 year old child. Keep fighting my friend I'm sure your papers will eventually appear on the desk of someone with some common sense.
