These things are conceived of out of curiosity and the will to become better and evolve.
Because their are ppl out there that can actually envision a better and greater world to live in.
As I've said in this thread before, cloning in this day and age is mainly being used in the spirit of fertility and organ failure.
It's to take away levels of discomfort and possible suffering. Not in the scientists that create this, but the possible patients.
Of course every scientist working on it can be relieved if it works, for if the time comes they could maybe need the technology. But thats no sufficient basis for saying it's all created out of fear. Ridiculous.