If a factory was illegally dumping poisonous material into a river, would you require a prolonged case against their executions to succeed before stopping the c

If a factory was illegally dumping poisonous material into a river, would you require a prolonged case against their executions to succeed before stopping the criminal behaviour? Why would a website which allegedly engages criminal behaviour be treated differently? You don't have to search very long to find direct megaupload links containing rips of Hollywood movies or AAA computer games.