Twitter shuts them down when they reach the press. Journalists emailing them about botnets will get them shut down faster than actual security researchers filing detailed reports.
My theory: botnets that fly under the public's radar allow them to sandbag their engagement stats. Once said botnets become public knowledge, it becomes a liability to advertisers and users who now are going to be worried about spam, so the fear of net loss of engagement spurns them to take action.
My theory: botnets that fly under the public's radar allow them to sandbag their engagement stats. Once said botnets become public knowledge, it becomes a liability to advertisers and users who now are going to be worried about spam, so the fear of net loss of engagement spurns them to take action.