That means current action against plagiarism based on report, forum isn't detective it self. Don't know who is that but doing good job at all.
So moderators also become very busy lately due to report  


Its really not matter of time. I don't think someone targeting any specific persons. This is just a normal procedure and moderators are verifying that before ban any account. Moderators are not just banning based on report, obviously they check report legitimacy.