Complex sentence: Sympathetic views of celebrities point out that in Hollywood, it is mostly only the bad marriages that are documented by the media, giving a skewed perspective that might make "Hollywood marriages" appear to have a worse success rate than they have in reality.
Split into simpler sentences: Sympathetic views of celebrities point out that in Hollywood it's mostly only the bad marriages that are documented by the media. Therefore this gives a skewed perspective that might make "Hollywood marriages" appear to have a worse success rate than they have in reality.