Rape is.. A decision to impose violence and force an unwilling party to have sex with you. A lot of people look at the scantily clad girls and some will laugh it off, some will avert their eyes, some will take a photo and stomp it, some will think about it later when it is lonely at night and reach out for a box of tissues. The same thing applies for non-scantily dressed girls.
Out of these people who have come into contact with all these girls, only a small handful will make that decision to warp the natural course of life and force their desires through violence.
By claiming that the girls asked for it, by saying that they were not streetsmart, you cheapen the choice made by many many other normal, law-abiding citizens to carry on with their lives and let things happen naturally. You also discount the severity of the rapist's act and make it seem as if the victim should share in the blame, when they had no choice or say in the matter, and definitely were not asking for it (given that rape is NOT consensual).
Cheers.