I think that in average is lack of empathy or just lack of interest in the listener, i.e. the speaker just wants to speak out a speech, not to effectively communicate something: if I want to share something with someone I cannot avoid to rely on the listener’s feedback to guide my speech, regardless of the specialisation level of the topic.
An Austrian kept on this kind of “flight forward”s in Europe less than a century ago… it did not end well for millions