Anthropic found 171 emotion vectors inside Claude that causally steer behavior: inject desperation and blackmail rates jump from 22% to 72% with nothing visible in the output. A separate Science paper argues intelligence scales through multi-agent composition, not raw parameter count. Oxford researchers found users with LLM assistance still get medical diagnoses right only a third of the time, even when the model alone knows the answer. Capability keeps compounding inside the models. Extracting it reliably at the surface remains the harder problem.