This may be stupid on various levels: because of the 20-20 hindsight, and because how would you know how you would react in a burning building. But what offended the professionally aggrieved, e.g. the Guardian, is that they understood his words as being a jibe at the stupidity of those who had died in the fire. Which they clearly weren’t.
And this cud gets chewed over and over again by the BBC for several days already!