Being a jerk and disagreeing are orthogonal. You can be a jerk while agreeing with someone, and be a not-jerk while disagreeing.
I'm curious, in reference to the post, how you would have no problem working with a "Bob"? Is there really no behaviour there that would bother you in a coworker?
I'm curious, in reference to the post, how you would have no problem working with a "Bob"? Is there really no behaviour there that would bother you in a coworker?