To a certain group, a lot. He had the ear and trust of a lot of the youth who will come into power. A lot of people, ignorantly believed that this group was special, had God's favor, etc. Charlie was changing his opinion on that group, and would have influenced youth and others. That had to be stopped at any cost so 'that group' could continue to deceive the Christians of America and the world. Its really just that simple, preemptive strike. Whether or not 'that group' was responsible, that's why he was important, people listened.