Sincerely this act is almost the order of the day and it is of no help to such user,I have a mindset that making mistakes is one thing that is part of life,but running away from it, is a means of showing that such person is a born failure,that needs to do with the issue of those that run away and come with another account.
Good one as regards the plagiarism checker you talked about and honestly I sincerely think that is the best possible way to actually bring and end to such act and I will say I think that is the easiest way for now ,apart from the fact that some of this users who are new at times will just copy and paste directly and you will even know self mere seeing it without any plagiarism checker
I can't assume that someone has made an error due to a misunderstanding unless they respond back. For this reason, I will DV first and remove the DV IF, and only IF, they respond to my comment. There are entirely too many cases to sift through. It's impossible for me to tell between fraud is caused by misunderstanding or because of ignorance. I treat ignorance quite differently.