It's safer to be around strangers than relatives in every study's sampling, because most people don't leave their kids with strangers. They spend most of their time with relatives, friends and acquaintances. If they did spend as much time with strangers as with relatives, you'd conclude it's safer to be around relatives.
It's like saying cyanide is safe because most people don't die from cyanide. Yeah, because most people don't take cyanide.
It's safer to be around strangers than relatives in every study's sampling, because most people don't leave their kids with strangers. They spend most of their time with relatives, friends and acquaintances. If they did spend as much time with strangers as with relatives, you'd conclude it's safer to be around relatives.
It's like saying cyanide is safe because most people don't die from cyanide. Yeah, because most people don't take cyanide.