The article countered the point that was brought up that no one will want the Alzheimer’s test. Gave a number of real people examples of why some would like to know.

Here's some scenarios:

You don't want the "not knowing" hanging over you for years wondering

You are trying to figure out when you should hit your bucketlist before it's too late

You want to plan your long-term health care cost for you or a loved one.

You or you loved one are starting to show signs and want to confirm one way or another so you can change your live style or get additional help