Consider another explanation: If you use the term "rape culture", you essentially claim that in today's society, oftentimes rape will be accepted (FWIW, I agree

Consider another explanation: If you use the term "rape culture", you essentially claim that in today's society, oftentimes rape will be accepted (FWIW, I agree with this statement). However, there appears to be a consensus in today's society that genocide is always a bad thing; generally that opinion is expressed without any qualifiers (as opposed to qualifiers like "legitimate rape" etc.)