The article basically states that a higher cholesterol (up to a certain point) reduces the hazard ratio. Therefore cutting your cholesterol in half does seem to increase your health risk (assuming your cholesterol was not extremely high).

It was very high and I beleive it's genetic , my mother tried all available statins then moved from pcsk9 inhibitors to inclisiran and now her chelesterol is in check

IANAD, but that may be explained by body fat being reduced as it gets into blood as cholesterol and triglycerides to be burned.

Any saturated fats when eating healthy? (eggs, coconut oil, other tropical oils, butter, cheese, margarine, etc)

Olive oil and omega 3 daily