> The key question is how do you stop non group members joining your group? This is up to the group to decide. To join a group the group must approve you to jo

> The key question is how do you stop non group members joining your group? This is up to the group to decide. To join a group the group must approve you to join. The more groups there are, the more choice people have. It's healthy competition as per usual free market capitalism, but with some decency and wisdom thrown in. In other words, everyone ends up better off. Standard of living improves for everyone involved because workers have more freedom to work on complex tasks since their brains are not per-occupied by the mundane and they are happy.