Those who make their living by collecting taxes cause the people to starve; when the people starve, the tax collectors, having no one to tax, starve also
If goodness has causes, it is not goodness; if it has effects, a reward, it is not goodness either. So goodness is outside the chain of cause and effect.
Every art form changes, often at rates and in ways that cause discomfort to its devotees. But the arts also have a remarkable ability to withstand and absorb those changes, and to prove wrong the prophecies of their demise.
Ought we not to ask the media to agree among themselves a voluntary code of conduct, under which they would not say or show anything which could assist the terrorists' morale or their cause while the hijack lasted.