My mother in law lived on that diet all her life and lived into her 80’s. She also smoked.
My Grandmother ate eggs/bacon/butter/almost raw hamburgers, drank Screwdrivers or Bloody Mary daily and smoked unfiltered Camel Cigarettes. She lived to be 103...
My dad was a deer camp breakfast cook. He would fry a whole package of bacon in a cast iron skillet, then fry several eggs in the bacon grease. Then he would pour the remaining bacon grease over some biscuits.