"I want to be perceived as someone who is effective _and_ pleasant to work with."
That seems like a good reason to adapt your communication to your audience. If x finds preamble unpleasant, but you use unnecessary preamble when communicating with x, that won't help you be perceived as pleasant to work with.
That seems like a good reason to adapt your communication to your audience. If x finds preamble unpleasant, but you use unnecessary preamble when communicating with x, that won't help you be perceived as pleasant to work with.