Everybody associated with horse racing agrees that any death of a horse is one to many, but you can not compare horse racing with a sport in which the whole aim is to kill the animal.
The last time i watched horse racing I dont remember seeing the jockey taunt the horse and stick spears into it, continue taunting it, spear it a few more times then eventually kill it. horse racing and bull fighting are completely different things.
I dont remember hearing the Aintree crowd...
I have seen lots races where a horse refuses to start. If they dont want to run they will not run.
I have seen lots of horses refuse to jump an obstacle. if they do not want to jump they will not jump.
I dont understand why you think boxing, a sport in which people train to cause serious...