It's partly true. To the extent that most people have not been pushed far enough to know exactly what they're made of. Until you see your own grave opening up in front of you.. you don't have any real idea what you would and wouldn't do.

In the face of this then what you actually want are rape simulation games.

The question being is would most people, in a policed society, actively avoid certain situations if they knew this about themselves ahead of time. My presumption is most would. Those who wouldn't are going to rape no matter what anyways.

So, it's a very minor, but still net positive, force for good in the world to have rape simulators.