To keep humanity always rational is a luxury.
To let machines hold emotions is also a luxury.
It's hard to say which side is more extravagant or difficult; what is certain is that neither side is easy.
However, if those who have achieved the former want to solve the latter problem, the probability of tragedy, even calamity, is very high.
Emotional memory backup is a typical case.
For those crazy scientists with minds full of formulas and equations, emotions, after all, are just the result of chemical reactions in the brain. These chemical reactions have clear principles but are uncontrollable, essentially an unreasonable and inefficient product that should be discarded. But since it was demanded to make military man-made lifeforms possess "perfect emotions," such standard demands from the client had to be met, even if it meant creating conditions from scratch.
