It just invokes a strong emotional response because it's so "abnormal", but if you think about it, there is so much more pain going on where no one bats an eye.
Perfectly avoidable pain even. So it's not even that aspect.
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OTOH, this is HN, I guess. Having empathy for real people would be harmful to the business model of most people's employers.
So instead, mostly performative outrage/empathy with something that is effectively dead can fill in that gap.