What do you think about the polemic around the Emirates in endurance competitions?

One of them has been disqualified because his horse was limping... And if you limp and have to run 40 km of course you're fed up and in a bad state after all... If they don't know how to recognize a horse who limps, you don't run that kind of competition.
I don't really know what's happening in that discipline but I've heard few things, especially that horses who're coming in their stables few years after they're dying in competitions ... As this week-end, but I don't really know why and what's happening ...
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