*Every mainstream culture regards loose sexural inhibitions and provocative behaviors as immoral and sinful. As a coincidence, Drows are painted in varius novels as an utterly evil race, so the label conviniently stuck.
*Regarding this: Although time goes by, these descriminations are dwendleling, this is still an stone-cold unspoken undertone oozes out every mainstream culture.
I'm in the labotory right now, so I can't type Chinese. Maybe I can elaborate my points later, but it just my 2 cps.