The original picture uses rape as a permission slip from being unfaithful and disproportionately irresponsible.
If by original picture you mean the one on the left, the one that says:
'My rapist doesn't know he's a rapist. You taught him it wasn't his fault, I drank too much, flirted and my shorts. Too short. I was asking for it. He left me in a parking garage staircase. My (ex) boyfriend spit in my face, he called me a slut, he called me a whore. I deserved it. My friends gave me dirty looks. They called me trash, not realizing it could have been them. This culture, my culture, your culture, told them, told me, this is my fault. And I suffered. But my rapist doesn't know I'm a rapist.'
It reads to me like she is saying she was out with a guy she didn't plan on having sex with and was raped, (i.e. taken against her expressed wishes) and other people thought the fact she was drunk, flirted, and had short shorts somehow excused the guy.
I suspect she probably hung out with the wrong kind of people, the two boys sound like a rapist and a jackass, she doesn't have very nice friends either.
That's hell and gone from someone who goes out, gets drunk with a guy, encourages and then consents to the sex, then wakes up and regrets the whole thing, and blames him for having sex when they were both drunk and thinks he's a rapist.
She may have used poor judgement, she may have gone out drinking and ended up alone with this guy she flirted with, but the scenario she describes suggests she means
against her will at the time as that's what being left in the parking garage staircase implies. Seriously, what kind of guy would have sex with her there and not give her a ride home/walk with her? It suggests she was lured there and something awful was part of the agenda, especially the fact she told her 'friends' and (ex) boyfriend about the crime.
She wasn't
married to this clown, that's hardly unfaithful, and some girls like to flirt and show off, call them teases if you wish, but that's no license to rape them either, nor assume she was 'unfaithful' if she was raped,
else why would she have even told him?
From the scenario she describes she's definitely a victim deserving of the benefit of the doubt, and mocking her is
despicable in my view. However at the same time she may very well be a victim of those who're trying to conflate the second scenario with the first as it causes many to think girls and women are being encouraged to make accusations on that basis. In this case it seems to me the scenario she describes and the context of the encounter and the aftermath suggests a friendly girl who was abused not just by the rapist, but by her 'friends' and the creep she called an (ex) boyfriend.
That's probably what she's angry about, and why she's marching, to change
that attitude, the one of her social group, and what it seems to me you are assuming.
Parking garage dude. Anything is possible, but with no further information one thing is quite a bit more probable.
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