Complex sentence: Regardless of notability, "no" political figure is entitled to a biographical article which reads like a campaign brochure, and it is a violation of Wikipedia's policy to replace Wikipedia's content with a politician's own self-penned biography.
Split into simpler sentences: Regardless of notability, "no" political figure is entitled to a biographical article which reads like a campaign brochure. It is a violation of Wikipedia's policy to replace Wikipedia's content with a politician's own self-penned biography.