Of course, but different people have wildly different ideas on how to initiate and conduct cooperative communication. Just consider how some people have a hard time to say no, while other people have a hard time to express what that they want something, etc. (Cultural differences and stereotypes are alive and well.)
Fundamentally there's a basic need to protect one's own resources needed for a healthy psyche. And unfortunately this is very much "left as an exercise to the reader" in many (almost all?) cultures around the world. And the unsurprising result is that many people are taken advantage of by those who exploit the lack of the aforementioned psychological skills.
preemptively witholding information doesn't lead to a global optimum