You don't go public until all the facts are in and the families are notified, so that argument and criticism is garbage. Mining accidents happen frequently. All the safety precautions were in place. The miners didn't use their equipment and paid the price.
The locals will have 4 new needed job openings in the mines. The government needs the income. The only ones screaming the sky is falling are the short sellers who suddenly appear out of nowhere and start hoping for the worst.