Using rape to generate strong feelings towards a particular plot point is a common (and usually very lazy) technique, unfortunately. It is possible to handle rape in a story well, but you don't do that by treating it as a simple plot device to characterize one side as the bad guys.
"Song dogs barking at the break of dawn, lightning pushes the edges of a thunderstorm; and these streets, quiet as a sleeping army, send their battered dreams to heaven."
Hipparion Tribe (Sagolii)Â - Â Antimony Jhanhi's Wiki