Take that stance too far and you get spree killers.
Or, as they always seem to argue, "oppressed individuals defending their rights against a social majority by any means".
For me that is the problem with the original quote at the top of this thread and much of the article.
> The American cult of the individual denies not just community but the very idea of society. No one owes anything to anyone.
If you start with a political bias and simply argue towards your predetermined goal, you become nothing more than an ideologue. From that point it is easy to make sweeping generalizations about perceived enemies. That brand of collectivism isn't compassionate or community forming. Similarly, individualism taken to an extreme can be dehumanizing as in your example.
Partisan pundits will rarely concede that they don't have all of the answers. Humility and generosity is key.