The 'joke' was aimed at fluffy Mundell and his son. There's a a lot of ways to have a pop at those two without going down that road. Kez using Wings as a way of getting her quota of SNPbad soundbites deserves calling out though.
If you're a man eating less than that then you might not be eating that healthy. Go against the fad diets and up your carb intake if you are wanting to gain muscle.