In the final analysis, the legendary event called Leto's Gambit became the
basis of the young Duke Atreides's immense popularity. He successfully
projected himself as a shining beacon of honor in a galactic sea of darkness.
To many members of the Landsraad, Leto's honesty and naivete became a symbol of
honor that shamed many of the Great and Minor Houses to alter their behavior
toward each other . . . for a short time, at least, until familiar old patterns
reemerged.

-Origins of House Atreides: Seeds of the Future in the Galactic Imperium, by
Bronso of Ix