[Supermancho]

You're focusing on the wrong scale. Intelligence has skyrocketed in the past thousand years. Policy decisions in our lifetime, do not matter or they end all human matters at once.

[moate]

Certain policy decisions matter on a larger scale. Killing off millions of people has to have some meaning on future abilities, right?

I think that generally I agree with you, but I would tend to say you have a small (but >0) number of things that would have huge long term ripples.