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I took most of them away but I think flagging people for #abuse would go under the trolling category.

Downvoting a post can decrease pending rewards and make it less visible. Common reasons:

Disagreement on rewards
Fraud or plagiarism
Hate speech or trolling
Miscategorized content or spam

I don't think I am a #thief if I am able to sometimes earn a positive ROI on a bidbot.