People are hard-wired to seek power because our more aggressive ape ancestors had more grandchildren than the meek ones. Power's a cock-extender. It exists for the propagation of your genes.
Despite the very visible exceptions, this decade has been the most peaceful in human history. This is due directly to American military hegemony. States has troops in over a hundred countries, makes it hard to start up an international conflict.
I don't, for one crave a return to the nasty, brutish and short tribal existence which would no doubt be the result of your clever eugenics and ethnically homogeneous society.
Bingo