This does not always work. Often, the group members presented to, do not have the required knowledge to critique the design document. I have seen people propo

This does not always work. Often, the group members presented to, do not have the required knowledge to critique the design document. I have seen people proposing (demanding even) changes based on vague feelings and their need to be seen as contributing. Once they say something, it is out there, now it is the poor presenter who has to refute it or accept modifications to the design.