As one who has had training for emergency support in many situations, one of the first rules is to do your job only, no matter what you see happening if it is someone else's responsibility. This can lead to some very uncomfortable situations for the responders, but does save lives in the long run. If that had been the case of the "video maker", then I can understand why they made the video, but that also would have kept them from making some of the verbal comments to incite the attackers that are allegedly made. In the case of assignment in an emergency team reaction the camera "footage" would have been taken to a safe place, and handed over to the authorities. It could have happened that way, but apparently did not. If it had, the picture taker would be well entitled to a bonus in his next pay check, but now he is out of a job. The behavior I have seen in this by the employees is the result of NOT having an action response plan that is drilled into the employees to the point that they no longer think about it and just ACT on it. Its difficult when the employees are much younger than a good portion of the customers and have authority issues, but it can be done. What would have happened if a grease filled french fry cooker had caught on fire? I am worried.
I hope that Polis can get into a therapy situation for recovery from this that will include a boost to her self image as the young WOMAN she appears to be in the pictures here. The reports of her prior beatings and other issues make her sound like someone who does get into risky situations in addition to her being "Trans" which does happen at her age in cis-women too. I am not trying to victimize the victim in this, but she is an example of where trans people need to keep finding better and better ways to communicate with each other and support each other and wherever we see ourselves on the spectrum of transness, know that others at other places need our support too.