1. Whilst lamentable, the death of horses in racing is at least a by product of the industry, rather than the actual POINT of it. They are not actually AIMING to inflict cruelty on another living being. (BTW, since you raise the subject of equine welfare, do you think more horses get injured...
Then I fear for your psychological state.
Great comparison that. You seek to justify the actions of these sick sadists, by pointing out that wild animals kill too?
Badgers are pretty worthless too to be honest. And Otters - what benefit do Otters provide? And voles for that matter - never done anything for me. And shrews. Useless.
Kill them all, I say.