I think this is exactly what we should do. Send agents to collect evidence and write deep research reports, then train on those reports. DR reports are derived from hundreds of sources and can map out the distribution, what are the opinions on a topic, not necessarily what is the one correct answer. Agents could write one piece about every human, place, topic, event or entity there is under the sun. They could also try to generate the same without sources (closed-book mode) and report on LLM biases on that question.