I actually asked the same thing a few days back. There is a thread dedicated to reporting the types of people and posts you are talking about. If you post the proof and report them in this thread :
https://bitcointalk.org/index.php?topic=2855895.0 , then there will be action taken. archive.is their posts, for sure.
People get banned for re-posting the same thing as another user. Copy + Pasting is highly actionable in our spam-ridden environment.