That's the hypothetical half of the equation. The tangible, measurable half is how many people the FDA has killed by denying access to life-saving treatments. A number of studies[0] have been conducted on this topic.
Right, of course. Any preventative treatment is difficult to justify, as it's a risk waylaid, whereas treating symptoms has a visible direct impact on problems faced today; nevermind that it costs 500x as much and has worse outcomes.