Complex sentence: Mentioning an essay which doesn't discuss this type of discusssion is not a valid argument for deletion, nor is pointing out that the article's creator favors keeping it, as that is unsurprising and in no sense improper.
Split into simpler sentences: Mentioning an essay which doesn't discuss this type of article is not a valid argument for deletion. Nor is pointing out that the article's creator favors keeping it, as that is unsurprising and in no sense improper.