alt Hacker NewsThe most significant physical experiment on the issue seems to suggest otherwise. Beyond this, "Kaplan Meier graphs showed no mortality benefit for the intervention group in the full randomized cohort or for any prespecified subgroup."
Reducing saturated fat can reduce serum cholesterol... that doesn't mean improved all cause mortality or coronary events.
This is one study, we have dozens if not hundreds that demonstrate that lowering serum cholesterol does lower your risk of CVD.