Pickups have their uses in Europe as well. Where I live, it seems like most pest controllers (rat catchers, an easy to clean open trunk is probably very nice) and land surveyors prefer them over other vehicles. They all use smaller sensible size pickups from Japanese brands though.
I think I've spotted only 2 different modern USA oversized pickups in traffic. Both full black, never a speck of dirt on them, always tailgating someone. They are vastly outnumbered by the sensible pickups, but you just can't miss spotting them in traffic.
Redheads are probably less genetically diverse than the rest of the population, iirc it's mostly caused by a recessive gene. So if someone is a redhead, then the chances are high that they share other special genes with other redheads.
Africans on the other hand are more genetically diverse than people from other continents. It's possible that some African population groups require different levels of medications, but you won't be able to tell those population groups apart by the color of their skin.