I would like to open by stating this user is not abusive or rude and I am not looking to get him banned or anything like that, I write this because he could be a good contributor.
The user has provided many, many (167) answers in a very short time.
Some of these answers are really bad. I tried on multiple occasions to point him in the right direction to creating good, useful answers but just cannot seem to get through.
He does not care about the quality of his answers and insists he is just helping people. I explained on multiple occasions that the point is to write good answers that can help many users, not to just answer as many easy ones as quickly as possible.
I have explained how this affects other users in review and how a duplicate vote is better than a link only answer that just gets down voted and violates the rules but he just won't seem to accept it.
I am now at a loss what to do about it, 900 rep (including 5 association bonuses @ 100 rep each) and 167 answers is by far the worst rep/answer ratio I have ever seen and is a clear indication that he is flooding the main page with bad answers that take up our reviewing time and help no one.
It feels a bit like I am telling on him or something but I don't want to have to keep reviewing these bad answers and don't want the site cluttered by rubbish every day, so what to do now? I tried but can't make him stop, any advice?