@p
> My takeaway was "this is the lifecycle of subcultures"
I would say the main point was 'this is why subcultures are unsustainable as a mode of meaningness'. One that can eject sociopaths becomes something else.
> sociopaths are morally comfortable using everyone for their own ends, while normal people don't really do much to stop this
... is just an assumption baked into common usage of the term, which is followed by its use in the article.