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[Erich Bloodaxe BSN]

2. I would go to the first sentence

In a neoliberal era in which personal choice and triumphs of individual character are heralded above social justice and understandings of structural oppression,

I think the intent is just the opposite of how your comment under that OP seems to take it. I think the OP author (and the original author) were actually intending (and succeed in) to point out how Ms Keller was used to bolster the American mythology that sustains Republicanism. Like 'American exceptionalism', the sort of Horatio Alger story of overcoming obstacles is meant to be a sort of 'pull yourself up by your bootstraps' piece of propaganda that pushes Americans towards individualism as opposed to communal work. And everybody is aware of the propaganda, but not of the rest of what the OP points out.

So I think the intent is not to push the propaganda, but to point out that it IS propaganda that bolsters conservatism and neoliberalism.