Biopics Signal Death!

Just a question: Has anyone ever wondered if its odd that sometimes when a biopic is being made about iconic celebrities they immediately die either right before the movie comes out or right after and the actors playing them almost always win an oscar for such movies!! I’m thinking about for example ray charles dying three months after the biopic about him that won jaimie fox an oscar,same thing with charlize theron winning for monsters a movie that came out right after the death of aileen!!,etc…

Is it just a coincidence or do studios just have instincts about making movies about celebrities that are about die or that just died!