The article dismisses a population-wide life expectancy increase of 4 months from one of the screens.
If that's your bar, then most preventative screening is probably not worthwhile.
If that's your bar, then most preventative screening is probably not worthwhile.
It's pretty dishonest to be confusing the effect of screening by counting unscreened individuals.
It's like claiming that seat belts don't work by looking only at fatality figures that don't inform to what extent seatbelts were worn.