Same reason why Christie Brinkley wasn’t Christie Joel or Angelena Jolie isn’t Angelena Pitt.
My neighbor took his wife’s last name when they got married. I have female friends who married in their 40’s. Wasn’t worth changing their last names.
What’s the difference in a name?
They probably got into a fight over “her,” he walked out, she came after him with a gold club, smashing a window, and trying to get away from her, drove into the drive...