I'll just grant you that most societies are wholly unequipped to deal with long lifespans, and there will be tons of murder, exploitation, and suffering if we f

I'll just grant you that most societies are wholly unequipped to deal with long lifespans, and there will be tons of murder, exploitation, and suffering if we fixed our biology. First, how is that any different than the current situation? Second, do you expect societies to quickly evolve to fix all of these problems (or at least tame them), much like societies had to do after the invention of fire, agriculture, steel, gunpowder, or steam?