Your flow chart, though tongue (pencil??) in cheek, is helpful mental prep (obviously ahead of time, ie, now!) of one would do if surrounded , thanks for passing it along.
LOL, I admit to having a fetish for flowcharts, something my co-workers needle me about, but...it is something I enjoy as a challenge.
It was an interesting exercise to break something like driving towards a potentially threatening crowd into a flowchart...:)