I agree that the Armed Forces should be allowed into schools (and colleges/universities) to inform people about the job opportunities but also to inform people of what role the Forces play in our society.
I know it must be hard to imagine your child in such a job but it can be an excellent and fulfilling career.
My husband came from just such a deprived area as seeker talks about. He turfed up at a recruitment office at the age of 15, fully intending to join up as a soldier and was persuaded to go to college, get his A-levels and then onto Uni. He did just that and is educated to postgradute degeree level.
Then, and only then, did he join the Army. He's an officer and he loves his job. He's been promoted rapidly and has fully enjoyed all the challenges and opportunities that have come his way. Right now, he's out in Afghanistan and - difficulties of the job aside - he's enjoyed it.
Based on his experience, I would encourage both my sons to go into the Forces - they could do far worse in life than join an orginaisation where the individual is taught and encouraged to put others before themselves, where good old-fashioned values like honour and duty and service still have currency and where there is a strong sense of community and support.
I wouldn't be to concerned about the presentation - if the Forces interest your child, they will explore and abandon or pursue that career as they choose. There's no brainwashing or cult-like conditioning and your shild might just learn something about how the Forces fit into our society.