Right, to you. Other people have different points of view with regards to culpability. One person would feel a direct involvement is more damning than just standing by and doing nothing. The Empire was at war with the Alliance and Alderaan was home to one of the founding members of the Alliance, who stole the Death Star plans. Destroying Alderaan was an attack on the enemy that threatened the peace and stability of the Empire. Had the Death Star not been destroyed, the Alliance would have been destroyed and the Empire would still rule today. Then those who question will be destroyed to until they get the message, the Empire is the government and they know what's best for you.