Perhaps he's self-identifying as a tech bro defensively? That is: based on his age / appearance / employment, other people might dismiss him as just another tec

Perhaps he's self-identifying as a tech bro defensively? That is: based on his age / appearance / employment, other people might dismiss him as just another tech bro, so he's just going ahead with a self-label to get it out of the way before moving on to his point.