Men can skimp on being good protectors, especially if they know they don't have to compete against trustless personal machines acting as a fallback choice, and can resort to selective non-enforcements & obfuscation to compromise the integrity of laws & material culture, to bypass consent of future victims.
Rape jokes become proportionally less funny the more real rapes are happening in the territory. If rape is seen as a near impossibly, then expect the context to decide if rape jokes are funny - especially if being used to highlight an absurd exaggeration.