They need to be smarter, although it will take a lot more time to get the "job" done. Each "user" should have a target readability index with specific syntax and keywords that they use often. Five accounts with five different grade levels and writing styles would not be detected by their algorithm as coming from the same person, unless they're also checking the IP address when posting. Then they'll need to use TOR also. I don't really care. I hate Twitter.