There is never evidence of rape, just "she said" and maybe "she cried on the stand".... DNA tests don’t prove anything except two people had sex. People fuck all the time, especially after drinking. So the accused saying "we had sex, it was consensual" is reasonable to believe and casts doubt on the accusation. In other words it’s reasonable doubt. Defendant should be acquitted every time.
The only time someone can legitimately be convicted of rape is if it’s done in the middle of a public place, or if the rapist films it or confessesto it in a diary or something like that. This practically never happens... once a decade maybe. So there should be only one rape conviction every decade. If even that. It’s a crime that cannot be proven by its nature.