During the forum, concern trolls flooded the comments to derail the conversation.

During the debate, she concern trolled the newcomers, pretending to worry while undermining their points.

Stop concern trolling the debate; it's derailing the conversation.

The forum was overrun by concern-trolls who derailed every constructive discussion with fake empathy.

The new forum rules made the comment section less trollable, which helped foster more thoughtful discussions.

The moderator deleted several posts containing obvious trollage to keep the discussion civil.