Ci sono tanti motivi per cooperare con gli altri
1. Economic incentives.
2. Voluntary actions for non-economic motives, including altruism, desire for recognition, and so forth.
3. State power.
As an economist, I respect (1). However, as a civil societarian, I also respect (2). It is (3) that raises concern. If people come to think of socialism as (2) and not (3), then fine. But if they come to think of (3) as being the same as (2) or a natural progression from (2), then we're in trouble.