While I doubt it was the intent of the original poster's comment, there's no shortage of people who look forward to the death of old people they see as being in the way of change they desire.
Actually, I think you're wrong. That's a perspective you might get from watching certain news outlets, but if you get outside and touch some grass, meet your neighbors, you'll find that most people AREN'T cynical robots who have taken transhumanism to an eugenic extreme. Maybe just my experience, though.