I think most people knew it was pointless but 1. It looks bad if they don't try, especially if it turns out not to have imploded 2. It's good training of a real life rescue. These things don't happen very often so the more opportunity they have to practice in real life scenarios, the more they learn for when there is a chance of rescue.
I think most people knew it was pointless but 1. It looks bad if they don't try, especially if it turns out not to have imploded 2. It's good training of a real life rescue. These things don't happen very often so the more opportunity they have to practice in real life scenarios, the more they learn for when there is a chance of rescue.