A couple of years ago, a meta-analysis of RCTs found that taking aspirin daily reduces the risk of dying from cancer by ~20% in middle-aged and older adults.
That's a curious metric to choose. By that standard taking aspirin is about as healthy as playing a round of Russian Roulette.
I'd assume they mean something like the per-year risk of dying from cancer conditional on previous survival -- if they indeed mean the total lifetime risk of dying from cancer I agree it's ridiculous.
Here's another installment of rationality quotes. The usual rules apply: