And what of the similar delay incurred when someone's arm does get ripped off? It's not like the train is just going to keep going on with it's regularly scheduled day. Paramedics will be called, the train will be stopped.

Besides that, this happened 11 years ago. Probably everyone involved has collectively wasted that 4.3 years just by not optimizing their time to within 1 second per day (11 years = 4015 days = 1.11 hr for each second wasted)