a) the outside represents a map of the inside. The few suggest the many to scribble all over it, to stain and discolor, as to tempt them to ignore the map to self discernment.

b) pain (process of dying) generates gain (living)...the few suggest the inversion (no pain; no gain) to tempt the many to sustain self destruction willingly.

c) addicts are drawn to loss, while using gain for justification of addiction to loss. The few suggested gain (winning) to tempt the many to get addicted to losing (the house always wins).