No, but it does call into question the credibility of her accusation when there is no physical evidence of a rape, and one of the defendants whom she positively identified has a time-stamped security photo substantiated alibi.
I don't see how. Just because she's a stupid drunken tramp doesn't mean she's a liar.
of her accusation when there is no physical evidence of a rape,
That we know of. We don't have all the facts, though.
and one of the defendants whom she positively identified has a time-stamped security photo substantiated alibi.
According to the defense's timeline. We don't know what the prosecution's rebuttal to that is. Maybe it holds watter, maybe it doesn't, but there's no way anyone can know that at this point.
It's not rational to judge a case before you've heard both sides and before you've seen all the evidence.