One of the accused is a semi-professional footballer, and another's father is a politician (there were photos on twitter of the father with senior Cypriot ministers). Those are just two who ended up being named - it doesn't seem that it was just 12 ordinary young men on a holiday, but 12 powerfully connected men.
As for the scenes from the airport with families popping champagne, I know full well that if my brother had been accused of gang rape and his defence was that it was all consensual, my mother's response would not have been to open the champagne - she would have been absolutely disgusted with him.