This is a karma farming bot which copies and possibly edits a comment from a thread and posts it elsewhere on the same thread. These bots are used for posting scams, spreading misinformation, and for other harmful things. Please report (Spam > Harmful bots) and downvote it. Also, avoid blocking these bots, since you can't report a blocked account.

For more information on how to identify harmful bots, check out this post

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