Do they mean:
Who's they? You are reading a text written by Angelina Jolie for a general audience. She has to make certain that no woman reader who reads the story comes away with thinking that she also has a 87 percent risk.
I understand that not everyone is a Bayesian black-belt, but I am trying to figure out what implicity assumption motivates people to talk this way.
What does a Bayesian black-belt do, when the only numbers he has are come frequentist statistics that someone else did?
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.