And why shouldn't they? Though, I'm sure they won't...
The terrorists already know how to make the stuff...and out of curiosity, I'd like to know how to make it. One never knows when you'll have to blow a stump out of the ground.
Why assume that ALL of the terrorists know how to make this apparently novel explosive?
Like isolated Islamofacist supporters (perhaps in Norman OK), who may need the information to act independently?
If a major news outlet publishes the info far and wide, I bet it reaches people who do not now have it, some of whom may choose to act on it.
You have expressed a desire to learn how to synthesize and potentially use a high explosive (in a public forum no less!), admitting that you don't have the formula right now but you'd like to get it. Could there not be a few others like you, willing to act?
And what if one or twenty of the people who get the information don't live where there are a bunch of stumps?
I think that information that the enemy can exploit should remain under wraps. The mall it saves could be your own.