>>I was not aware that dicatators in Indonesia and S. Korea committed atrocities against their own people under the watchful eye of the US govt and nothing was done because the dictator was considered such an important cog in the fight against communism.
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>But that is not because it was "covered up" Everyone who cared about it knew about it. Indifference is not the same as being the victim of a conspiracy to suppress knowledge.

OTOH, it's about making lists and repeating. If you hear about Tienanmen hundreds of times over the decades, and you hear about Indonesian and South Korean stuff less than once a year, the latter evaporate from collective memory, while the former gets welded to it.