Group sanctions without social norms?

High propensities to form coalitions and to negotiate and prevent conflict escalation may be found in monkeys as in great apes. However, there is no evidence that non-human primate communities intend to suppress individual power that grows too strong. Qualifying as protomoral those abilities needed to keep low the dominance gradient is not useful. When communication about social norms appeared in some hominids, it would not have been limited to sanctions against domination.