Unfortunately the policy is to kill animals that hurt guests, even if it was the guest's fault. I don't think this applies to trampling, but it does to predators (wolves, bears, lions). Stay away from the animals, mmmmkay.
If you're in a neighborhing state you can just drive to Yellowstone over a weekend. It's actually really beautiful and unique. I even got a selfie with a Bison but it was standing 25 ft behind me in the background, munching on grass or whatever. Literally thousands of people do this without issue as long as they don't get too close and don't fuck with the Bison. I will never understand people who want to fuck with 800 pound meat tanks.
I have some really, really bad news if the only thing holding your worldview together is the idea that people make their way in this world on their own merit.
My thoughts exactly, we need to let Natural Selection do its job. If you wanna take a selfie with a 1500 pound wild animal, go right ahead. Don't complain if you get trampled though.