So you posted not sure he wanted to get involved...
Now your saying he looked like he wanted to calm it down...
So we agree he got himself involved and your interpretation for this is to calm it down.
Well i agree he got himself involved and i can see how he looks like he has good intentions. However if you were standing there at that time with bottles, noise and violence around you im not sure you pick that out. Blue Jacket man picked the wrong place and the wrong issue to inject himself into. That's it as plain and simple as it gets.
The issue after is someone elses to talk upon, im not getting involved in that or answering stupid question that are purely misdirection.