While vagueness, ambiguity, and indirectness are generally considered negative qualities when you're aspiring to be a clear speaker and critical thinker, the rsa animate video suggests that there are times when veiled and indirect language serves a useful purpose in our interpersonal interactions. what hypothesis does the video offer as to why we often avoid explicit language?

Kay is a thoughtful and considerate person but has a difficult time making decisions on her own. she relies on her one best friend, someone she has known since childhood, to give her advice on virtually every decision she makes. sometimes kay even asks the friend to make the decision for her. at work, she holds a position far below her potential and has refused several promotion opportunities. she is most likely suffering from personality disorder.