Ok, I tell myself to be quiet, but sometimes I can't help it.
Quick little story (it's relevant, I swear):
I was at a military training course that is required for my career progression. One of the first things we had to do upon arrival was take a physical fitness test. If you fail, you get sent home in disgrace. In my case, it would have meant losing the new position I had just been promoted into.
We were part way into the 2 mile run when a lady near me stepped wrong and twisted her knee. She was hurt pretty badly and was struggling to get back up. I stopped, helped her up, put her arm around my shoulder, and walked back to the start line. There was no way I could make it to the finish in time to pass, but it was the least I could do. Did I mention that I had never met this woman in my life? So in short, this was not a case where the area we were in was dangerous. The fallout for me was potentially significant. This was a total stranger...but I reacted in a way that I would think *any* decent human being would react. The woman in the OP's story showed an appalling lack of care and concern for someone who is supposedly her friend, all in the name of something as insignificant as finishing a training run. That is, in my mind, indefensible.
(By the way, I did luck out; the command let me retake my entire test at 4am the next morning, due to the fact that I argued that since I was a medic, passing an injured soldier would have been a violation of my oath. And I made a friend, too. Granted, I did miss out on two hours of sleep, and I had to do my push-ups and sit-ups while very very sore from having done them the previous day, but it was still less painful than the harm I would have done by passing by the injured soldier)