It's difficult but there are many techniques that can help in aiding discourse. For example if you have a group of 20 or so people discussing an issue the best

It's difficult but there are many techniques that can help in aiding discourse. For example if you have a group of 20 or so people discussing an issue the best thing you can do is establish rotating, randomly selected groups of 4 or so people. People discuss together in these smaller groups then you bring everyone together to share some of the conclusions, rinse and repeat. Another thing that you can do is actually time interventions and establish a table that prioritises the people who have spoken the least to be given the word over those who have spoken the most. These measures help greatly with moderating discussions and this way everyone gets to hear other people's opinions. I think a big problem comes from the fact that when we have such discussion groups they tend to be led by extroverted people who don't really care (or understand) about moderating discussion in such a way that it lifts everyone's voices. But also at least in the political discussion groups I've been participating in the past few years, minority voices are usually lifted. But yeah, I think maybe an easy to use technology, say, an app; could aid in making discussions more balanced.