I have been using butter wherever possible for years. It made a comeback and is not as bad as all the health experts told us.
The problem is the health experts don't really know. Give it a few decades and the advice will change again.
Just look at EV cars and the damage that mining for battery components is doing, it is outrageous and nothing being said about it. Remember when diesel cars came in, it was supposed to be great for the environment.
Oils well, I think if you press your own olives then it is fine. But they cut things with whatever they can to make as much as profit as possible. Look at the Chinese rice companies getting caught adding plastics to bulk up the rice