Were the operators truly in the wrong or was it one of those classic cases of "self driving vehicle gets super skittish because it can't read body language", th

Were the operators truly in the wrong or was it one of those classic cases of "self driving vehicle gets super skittish because it can't read body language", the operators overrode it based on body language and the other traffic participant did something unexpected and so it turned out the skittish AI was right? Without video any attempt at allocating fault is mostly speculation.