Only making an observation about his reaction to the race. I just find it interesting that he doesn't congratulate Blake, walks straight to the tunnel pissed off, and starts barking at someone about something. If he (Dix) was doping too, why would he be ticked off? One doper beaten by another doper.
I don't think Dix is doping. I do think Blake is, especially considering his near miss with doping control in the not so distant past. And I do have doubts about other athletes.
Dix, being IN the sport, knows things spectators, you and me, don't know. That might explain Dix's actions, knowing that he just ran a time that should have won and again having to take second place to someone he may have suspicions about.
As far as the others you mention, I made no comment about them. I also made no references to Jamaicans as a whole and I made no comment about the race of the runners. Do you enjoy drawing conclusions from thin air? For all you know, I'm a black Jamaican. Are you drawing conclusions from the way I type, the nature of my comments, the clarity with which I'm asking the question, or maybe my name? If so, I would suggest you examine your own predispositions, possible racial bias, and bigotry.