Im not sure about that vid, granted it looks heartrending from our perspective but who knows whats going on in the cats mind? The saddest I ever felt in my life was watching an elderly dog die in Rome in the public square by the cathedral, there were two younger dogs laying in front and behind it, one with its nose to the dying dogs mouth and the other sniffing its jacksey. I thought how touching, then suddenly the dog croaked its last and the other two immediately tore into it and ripped it apart, hey presto, suppertime. Not the most pleasant moment I ever experienced