Those who disagree do so out of honest difference of opinion, expect to be heard in order to reach solution. When there are basic disagreements, group finds a way to live with them. Action may be put off for further study, or, if action is absolutely needed, it will be taken with the recognition that there may be later reconsideration. Group reaches decision by consensus. Formal voting is minimal.
Criticism is constructive.
Group members express feelings as well as ideas. There are few hidden agendas. Leadership may shift. The issue is not who controls, but how best to get the job done. The group will consider its process as well as its task.