It's an ad, and it was properly set via 3point's 180 SECOND timeframe ad macro. I can confirm this user, @upmoon did not spam.
You can repeat trade ads as long as they are at least 3 minutes apart. Your screenshots don't provide any evidence of spamming. The chat is slow during off-peak and these ads could have been 3 minutes apart. Locked - Complaint dismissed due to lack of evidence.