There's no definition of this, this is more of that don't be a dick stuff. What constitutes being a dick or an ass hinges on culture. If you're the new guy and everybody else is experienced and has worked with each other for a while, being an ass might mean opening your mouth at all. Whether you're right or not.
> rest assured that you'll find a place where your traits are appreciated
A lot of people don't appreciate the trait of pride in lacking social skills and tact or lack of awareness of one's surroundings or not understanding power structures. They'd have to worry about you saying something dumb to a client (even if you were right.)