Arms Industries Making Bob

Was reading The Guardian's latest in-depth feature and was very interested in how balanced the debate was, considering how liberal/left wing the paper I was reading is. Anyway, here's the story:

Is Britain's arms trade making a killing?
Few prime ministers have been as tireless in promoting Britain's arms industry as David Cameron. He calls it a key part of the UK's economy, but do the figures really add up?

Full story here.

What do you all think about Arms Trade?