> However, in better-run and not-so-corrupt societies like Korea, it's not necessary and probably downright harmful.

South Korea was under varying levels of dictatorship from the Korean War until the Sixth Republic in 1987. Roh Tae-woo, the first president after authoritarian rule, was imprisoned for corruption. Roh Moo-hyun, the President from 2003-2008 was investigated for corruption and died by suicide rather than face charges. Lee Myung-bak, his successor, was imprisoned for corruption. Park Geun-hye, his successor, was imprisoned for corruption.

I don't know that South Korea is the poster child for a "better-run and not not-so-corrupt" society.