It points up the misguided pity of those who want to put the disabled out of their misery like a cat that is too sick to go to the litter box any more.
Well, I don't know that you'll find anyone who supports such a thing around here, anyway. At best you'll get a general belief that maybe people should be allowed to make those decisions for themselves, but I don't think we're quite on the road to Soylent Green-style euthanasia centers just yet.