The author describes outing him at a later occasion.
That means the person is not kept anonymous, his name is simply not included in this article.
Now, I think that omitting his name makes the article better, because it removes a distraction.
On the whole i think that whether or not his name should be mentioned depends on whether or not his behavior has changed -- with some bias in favor of not mentioning him, because... well people should be allowed to learn and improve themselves?
That means the person is not kept anonymous, his name is simply not included in this article.
Now, I think that omitting his name makes the article better, because it removes a distraction.
On the whole i think that whether or not his name should be mentioned depends on whether or not his behavior has changed -- with some bias in favor of not mentioning him, because... well people should be allowed to learn and improve themselves?