Jealousy and insecurity make people say the dumbest things. You were not only well within your rights, you took a positive step in the protection of yourself, the innocent and the nation as a whole. Carry proudly.
Some of the most polite drivers I ever met were in Aridzona, when I used to mountain bike with an OC Glock on my left hip they would even go completely into the opposite lane when passing me. I was always surprised at their willingness to give me so much space.
Btw, I miss Sierra Vista and driving the fire roads on post