Studies that "show" that saturated fats don't have a negative impact on health are typically about tests where they replace saturated fats with sugar or refine carbs and show no impact or even a small positive impact. Replace saturated fat by unrefined carbs, poly and mono unsaturated fat or even protein and you get a huge jump in all positive health markers.

Check these videos https://www.youtube.com/@NutritionMadeSimple/search?query=sa...

If you find a study that you think is worth investigating contact the author, he reviews medical studies for a living and as a passion.