The unwanted side-effect of S. Korea's anti-prostitution law. Prostitution went underground, and many who pushed out of work opted to go abroad to continue their work. This also effectively destroyed the established mechanism to control spread of AIDS.
Rather than disappearing, it is metathesizing.
DA's in NY can thank Feminazis in S. Korea for their increased workload.
I think the DA's in NY can thank the terrorism of socialists for the increased work load. Bush said in his State of the Union he was putting an end to Human Trafficking.