Twelve chiefs come forward across twelve days, and each brings the identical gift down to the last lamb. No prince outbids his brother to prove himself larger. Eliasaph offers exactly what the man before him offered, and exactly what the man after him will, and the sameness is the point. Within a rightly ordered people, the leader of one tribe stands equal to the leader of the next, and the shared measure is what holds the equality in place.
Envy would have each of them padding his own heap to shame the others. The common gift forbids it. A man submits to the same standard as his fellows and finds his dignity inside it rather than above them. Equal offering makes a brotherhood a competition of one-upmanship never could. Give what your neighbor gives, and you stand beside him instead of over him.