....is shown by the fact that it works for all kinds of people. Just as a example: the Freemasons and the Mafia, or student associations.

that' snot an argument against the legitimacy of IQ without knowing the IQ's in any said group first.

Its always good to have connections and backup in rough times. Its always good to have connections and backup in rough times.

Agreed - to what extent this is IQ related is not known.

Clever people see the benefits of group security...

(seeing the benefits of this proposition - is conceptual in it's nature - concepts reside in the realms of higher IQ's)