I find the final question about human intervention fascinating. The scientists aren’t recommending intervention, even if the perpetrators tend to be the same few individuals. “We don’t know how natural it is,” says Ursula Siebert, a veterinary pathologist specializing in wildlife population health at the University of Veterinary Medicine Hannover who was not involved with the work. “It can definitely be hard to watch…
Meanwhile - gov't funding and support for real-world animal, ecological, and natural area work is paltry, with many critical problems neglected.
And trying to somehow force lions to be monogamous, and hawks to be vegetarians, and cuckoos not to abandon their young, and etc. is the sort of idealistic black hole that all their funding and support could easily be poured down - with less-than-nothing to show for it.