I think our AVs affect the way people perceive us.
You talk about AV affecting the way people perceive us - It reminds me that when I was a newbie then even people's emoticons used to leave some kind of impression on me.
A 😆after every line used to give an impression that the poster laughs a lot :P
A 😛😆after every line used to give me an impression that after hitting enter every time the poster's tongue comes out and then the poster bursts into laughter :P
However, after some time I thought that I should be a DeMon in DM and started using them myself. 😆