So? Do you believe they entered the drug trade because of their names? Do you think there would be no drug trade if their grandparents weren't admitted to Sweden?
I've lived in Finland decades ago and it was very different from where I came from - clean so to speak. Even in Helsinki Weed was hard to come by. No weird guys lurking on corners and all this scum one encounters in big cities in the wrong districts. There were no wrong districts. Scandinavia is/was (?) a different culture also because it was not riddled with such untethered people.