[Ygg2]

Good point, but evolution works on larger timescale. Are we any good at building bridges that can last more than millenia? How about two? How about twenty five?

I'm just saying humans tend to optimize for the short term.

Suffering is essential because without suffering, there is no empathy.

I'm reminded of the episode http://en.memory-alpha.org/wiki/The_Masterpiece_Society_%28e... in which a technology created to help blind, helps crew to save the society, which couldn't conceive it because it was too perfect.