Complex sentence: Though the subject is interesting to some parties and has some coverage in non-mainstream media, the coverage is for the most part is not and the main claim of the article is unverified by anyone other than the subject of the article.
Split into simpler sentences: Though the subject is interesting to some parties and has some coverage in non-mainstream media. The coverage is for the most is not and the main claim of the article is unverified by anyone other than the subject of the article.