Randomized controlled trials show LDL consistently drops with lower saturated fat intake, and randomized controlled trials show LDL strongly correlated with coronary risk. It’s one of the best-established causal relationships in nutrition science.
The American Heart Association’s narrative is based in observed clinical relationship between saturated fat intake, LDL, and coronary events.
Excess sugar and excess saturated fat are both bad.
There’s been a big social media push to turn saturated fat into a good thing, but everything I actually read in the research still points to excess saturated fat being a bad idea.