You present the facts in a way that she can't twist them easily.
EPA is a molecule that has been known and studied for decades. Like all biomolecules, we accumulate knowledge of their biological effects over the years. It's true that the situation and context are messy and complex. A good legal team should be able to recognize these, and hence lay out and argue the facts in a way to avoid hindsight! That's called strategy, a good strategy.
I agree that judge Du made mistakes here, but I also believe that these mistakes can be avoided if Amarin's legal team handled things differently at the district level, like all mistakes.