>Deluding themselves as far as the viability, or as far as whether it would be a good thing?

Both? I think that most people would like to avoid dying if you gave them the option, but even if it were possible, who's going to pay for that with all 7 billion of us and counting?

Nobody - there isn't enough money in the world. It'd just be yet another mechanism of multi-generational oppression and exploitation.