It depends on a host of things Sometimes the label or warning will make or break a case in product liability. Generally, plaintiff attorneys will sue everyone who ever even thought about that product. Not where my interests lie in the law.
Companies are making a new RNAi (RNA inhibitor) pesticide that is claimed to attack specific pests via their RNA. Sen from IA is trying to give the companies zero liability if these products harm people or other unintended species of plants or animals.