No, you didn't, but you did mention that by association every Jamaican including Bolt was doping. You now say that the Jamaicans are doing something that the USA is not. Insinuating that American Athletes (on the large) are not doping, and Jamaican athletes are.
I don't care to dispute with you whether they are doping or not, just that you can't say with only circumstantial evidence that other countries (mainly USA) are not doping and the Jamaicans are.