This procedure might save a few lives in Islamic countries. Keep them from being victims of "honor killings".
Actually, there are areas in Asian where a hymen is reattached before marriage (if it is broken)....
But these nutjobs want to do more than sew in a tissue membrane!
I suspect it's not only in islamic cultures although that is where the punishment might include death. Many clinics in Greece profit by doing this procedure to well funded females from muslim countries would fly in for the "repair".
It's been very popular among European women too and has been for ages. The taboos against premarital sex will never go away...and that's probably a good thing.