New book comes out making the same point I've been making for years: even angels centrally planning angels is worse than the private property alternative. As long as the angel in charge can't read the others' minds, it will have incorrect resource allocation. Whether the others' needs are met is effectively random, and this will corrupt said angels, as random reinforcement tends to do. In contrast, capitalism and private property rewards the individual prioritizing their highest goals, which as angels reinforces their better parts.