Most people don’t understand alpha’s in nature. So if they don’t understand hierarchy in nature how can they understand hierarchy in civilization? Insecurity is an common belief. They just admit to it like you said. Let’s clarify an alpha is the biggest caretaker of the pack. A pack sleeps together, hunts together and eats together. An alpha wil banish any bully which uses aggressive social control like barking, tailing causing uproar.