How do commercial interests usually protect themselves from liability claims? Through insurance. In fact, in our society, the litmus test for safety is insurance. You can be insured for almost anything if you pay enough for the premium, but if the insurance industry isn't willing to bet its money on the safety of [biotechnology], it means the risks are simply too high or too uncertain for them to take the gamble.
David Suzuki, Holly Dressel (2009). “From Naked Ape to Superspecies: Humanity and the Global Eco-Crisis”, p.201, Greystone Books Ltd