Given the fact that Harry has always been a tad on the "wild side" to begin with, it isn't surprising to hear that he doesn't much like England and therefore, took off to seek "adventure" elsewhere. It stays in character for a young man who has it all and has done it all to require the need of more thrill seeking activities as he's likely somewhat bored with only his palace to play in. There's nothing like heading off to war as an adrenalin rush, is there? The greedy media spoiled his playtime. Now, it's time to come home again so, throw a temper tantrum because his fun has been spoiled and playtime cut short. Why not lash out at everyone in brat fashion now? Bad people for stopping the fun!
Unfortunately, in Harry's decision to go off to war, and play "war games", he has also put the lives of his fellow troops in danger in being a state figurehead for Britain. Harry would be a prime target were his identity to be recognized. Everyone serving with and around him would have been endangered.
Britain's Military and government decision to allow Harry to go in the first place was akin to giving a rich, spoiled brat his own way and never should have been allowed in the first place, given the amount of danger his "playing" put others in. It was a poor choice for everyone concerned. There are many other ways for poor, bored Harry to have escaped England, its press and whatever other gripes Harry may have about being a wealthy potential heir to the throne.
As for the embargo, yes, most certainly, the greedy and sensationalized media could have put a lot of people's lives in danger in their own quests to sell newspapers and air time. They had no business in leaking this information, given the gravity of the situation and potential lives at risk because of it. Again, the media's greed for money, outweighed the risk of young men and women's lives.
No one in this situation was a winner. It was simply another romp for a spoiled little rich boy, seeking a bigger thrill, endangering others because of it and throwing enough of a temper tantrum that the silly government/military gave into it.
Shame on everyone involved in this entire, ridiculous debaucle. May Harry take up sky diving and bungee jumping the next time he wants a thrill. At least that way, the only life he'll endanger is his own.