[eliasmacpherson]

The hypothetical does not have any such restriction on it, your star-trek hypothetical is as valid as mine, even if it is less realistic.

You are the one generalizing South Korea to say that intentional oppression does not occur, there is a 'net benefit'. Intentional oppression does not have to be universal to be true, it is selective and opportunistic in nature. The short years of benefit in South Korea do not undo the horrors elsewhere.

The argument that you stand to benefit even more does not invalidate any facts of their intentional oppression, past or present. Don't be absurd.

Minor addition: I don't believe you can say it's a 'No True Scotsman' situation unless you also consider South Korea to be 'underdeveloped' currently.