There’s also the possibility that mechanical parts will seize up (especially in the case of overheated bearings) and will be unable to get moving again if you stop.
I mean, if attempted to apply the same logic to driving your car I would say you should have your license taken away.
They can always split the train and cart off the working cars to a siding, and then if need be drag the sparkler at low speed with little risk of derailment. Or worst, you bring in a crane and replace the bogie on a siding. Or any number of actions that don't start a statewide emergency. Talk about normalizing deviance in name of profits.
