Initiation of violent force (in answer to gestures, words) can easily put someone in fear of their life. That's CODED IN OUR DNA.
And yet, from the video, normative (SHOULDS/OUGHTS) projections are made:
1) What impact initiated violence OUGHT to have on a victim of assault.
2) How quickly (in fractions of seconds) a victim OUGHT to calmly reason that his perpetrator is not really a threat to his life.
3) How the assaulted victim OUGHT to interpret movements.