Of course we all know that being an East African doesn't give any benefits. And we all know they are not genetically more suitable for running by being skinny with large skin area that dissipates heat very efficiently and by having greater percentage of fast twitch muscles. And of course we all know that they just like American kids sit all their childhood by TV and eat burgers and fries. It obviously must be PEDs and EPO that makes them great.
The last part was sarcasm (so that scorpion_runner get it)