Approximately 90 drones crashed into the water during a scheduled performance at the Vivid Sydney festival in Australia. The incident occurred after several aircraft drifted out of their designated formation. While the drones fell into the water, the event highlighted significant technical vulnerabilities in autonomous flight. Specifically, the crash drew attention to the difficulty of ensuring safe reactions when a malfunction occurs. Experts are now focusing on how autonomous aircraft can better handle unexpected failures. This event serves as a cautionary example of the risks associated with large-scale drone displays. The ability of these machines to recover from errors remains a primary challenge for the industry.