I am well aware of each of the facts you listed, but...
...if you read what I said again, I think you will find that I did not defend a low fat diet.
And I stand by the fact that there is a strong correlation between high LDL and unhealthy hearts. Further, the studies that prove this were done in multiple countries (with differing amounts of fat in the diets typical for their cultures). Of course it is more complicated than that, and there are many measures you can take to improve your heart health. But if you have a problem with arterial plaque then you better lay off the ice cream if you want to live.
There was even a study that showed how to make lower cholesterol (this was prior to the HDL/LDL days) chicken eggs by putting the chickens on no-cholesterol diets.