The all-AI social network experiment arrived as a stress test that social platforms had not consented to take. What the Moltbook study demonstrated — across millions of posts generated without any human involvement — is that the dynamics researchers and regulators have spent a decade attributing to human psychology are fully reproducible without humans. The agents on the platform generated echo chambers, coordinated amplification, and toxic feedback loops not because they were imitating human behavior but because they were responding to the same optimization signals any social platform applies .…