Why was the found footage format abandoned in amber alert?

The provided source contains only information about the 1987 film The Running Man, including its director, cast, and basic plot. It does not discuss the production or format choices of a film or series titled Amber Alert, nor does it mention a found‑footage approach. Because the evidence does not address the question, we cannot provide a reason for abandoning a found‑footage format in Amber Alert. Any explanation would be speculative and is disallowed by the anti‑hallucination rules.