At that point you need a government to set rules, and law enforcement to enforce those rules.
In a communist society where we have abolished wages and everyone has their needs guaranteed, why would anyone harm the community by flouting norms regarding the commons? This paints us as naturally immoral creatures that will always need Father Government to protect us from ourselves. Arguably, people are such social creatures that strong norms and taboos would keep most (all?) of us in check (again, in the context of a communist society).
In a communist society where we have abolished wages and everyone has their needs guaranteed, why would anyone harm the community by flouting norms regarding the commons? This paints us as naturally immoral creatures that will always need Father Government to protect us from ourselves. Arguably, people are such social creatures that strong norms and taboos would keep most (all?) of us in check (again, in the context of a communist society).