What makes you say that other than extrapolating from a single sample? Partially hydrogenated fats are a preservative and harm from butter and fat in general has been shown to be an abuse of statistics to avoid blaming sugar (fructose).

To me this seems like the idea that things thought to be much more benign (like cigarettes) are shown to cause cancer so cell phones must cause cancer too, without understanding any fundamentals of that sort of claim.