The wilderness generation did not die out form old age. Rather, Moses speaks of the dying out of the wilderness generation as a result of the Lord's warlike action against them. This is a massive reversal for the people who had previously experienced great blessings from the Lord. But their stubbornness and rebellion prevented them from seeing the land
15 La main de l'Eternel fut aussi sur eux pour les détruire du milieu du camp, jusqu'à ce qu'ils aient disparu.