Originally Posted by mmarsh

Allow me to reexplain:

The allegation was that the horse was in no condition to run due to a previous injury, and that the owners ran her anyway. They didn't expect the horse would get injured this way so they took a gamble and lost, (as did the horse). You can see the temptation to take such a risk, as a Kentucky Derby win is worth Millions in Prize, Punting, Advertising, and Studing monies. If its true, punish the owners. Its cruel to the animal and tarnishes the sport.

PETA doesnt like horse racing, so its entirely possible they are trying to bring the opposition to horse racing to a public light.