They might bill you that money, but on average it costs them less to provide that service to you, otherwise they wouldn't make any money. Because we don't know

They might bill you that money, but on average it costs them less to provide that service to you, otherwise they wouldn't make any money. Because we don't know the operating margins and the distribution of DDoS costs per customer, we can't infer how much this particular attack would cost Akamai.