I think the only ones assuming here are those who assume that he underestimated the number of people with comorbidity.
I believe you are underestimating how bad US society is in regards to healthcare and how much they overestimate some condition (like blood pressure related hearth diseases) to avoid reimbursing insurance bills.
I believe you are underestimating how bad US society is in regards to healthcare and how much they overestimate some condition (like blood pressure related hearth diseases) to avoid reimbursing insurance bills.