Re: I have a small amount of sympathy with the police etc.
There are a few other issues with this statement.
YES, you can get married at 16 - but only with the consent of the two sets of parents - and only to another UK citizen. Want to marry someone from abroad and it goes up to 21 for most countries.
Grumble flicks at 16 - no, you are wrong, it is just the law is rarely enforced. In theory, even bikini shots are classed as child porn if you are under 18 and arent on a beach or at the pool.
Education has already been covered.
Military - this is only a recent guideline, and not (AFAIK) law; plenty of 16/17 y/o's sent to the Falklands war, N Ireland, Bosnia etc.
You should be grateful for the the rest, it used to be 21; go thank the Monster Raving Loony Party for getting the laws changed.