Protests exist to enact change. A murder is final. If you protest a murder, nothing changes and thus it is pointless and retarded. If you protest in an attempt for the government to enact new policies, the media to report on it, or for the murderers to be brought to justice then it makes some level of sense. I was being pedantic with word choice and the fact that you cannot understand this despite it being extraordinarily obvious proves that you are in fact the retard.