On the contrary. The author declares his feelings on the matter showing transparency before providing a wealth of evidence for his feelings all of which supports his point.

Your bird flipping example is illustrative here as you have pulled it out of context. He made that gesture in response to aggression from the truck driver. An appropriate response from the truck driver would be an apology but of course many of the sorts of people who drive those unnecessarily large trucks don’t have the character for it.