Bono The source of the data is suspect due to the place where it was collected. It was not a random sample, as a collection of people to see the fireworks is already a biased sample. The was no discussion given of the demographic of the the flagger's and the non-flagger's. It is interesting comments, but that is all. You would need to see the questions, look at the interviewers race and the time of the day before any strong relationships could be established.
