This is not about whether or not the captain of this flight gets a fair trial for ordering an evacuation as one poster commented. Its actually quite simple really, the decision to evacuate rests with the captain. FULL STOP!
There is no argument in this instance, nor should there be....that was his best judgement at the time, a judgement that does not need to be defended in my view. He's quite entitled to make that call.
powerbeat.