The output is Allow or Deny. To be Allowed, you need an policy that includes an Allow statement. If you don't have one, then the result is implicit Deny by default. Also, any explicit Deny wins over all Allows. Disclosure: I work on AWS IAM.
That's not the way to look at the numbers. First, you'd want to talk about whether the results are statistically significant. Second, when dealing with a fatal disease, people are pretty happy if their odds of survival go up by a few %.
You should stop presenting your opinions such as “Cancer only affects people who generally already have other problems” and “they will probably get something else anyway” as facts.
Imagine a reader who is not one of your lucky “most” majority. Imagine a reader whose cancer was not caused by the bad lifestyle decisions that you listed. Put yourself in the position of somebody who undergoes extensive surgery/radiation/chemotherapy and then lives with the side effects of these treatments. Consider what it’s like to live with the fear of recurrence even after such treatment. Then maybe you’ll understand why people might be excited about the potential of this sort of screening.