We are talking millions of dollars. There must be someone who can figure that out - even if the failure is kind of random it follows probably a distribution and

We are talking millions of dollars. There must be someone who can figure that out - even if the failure is kind of random it follows probably a distribution and you can set it to a value that has enough margin to stop the train and not trip on slower trains. But you are right - easy to look and comment from the outside, there is probably a reason it is how it is.