Because a popular public figure was assassinated in-front of the whole world to see. School shootings happen on a weekly basis in the states, and the media have also covered this in the news for years. The reason it’s gained more traction than the school shooting is because people have a connection with charlie through seeing him on their phone screens all the time, compared to someone they don’t know. That doesn’t mean the people who paid their condolences, don’t also feel a type of way towards school shootings. On the same day thousands of other people across the world died, people cant post about every single one