Nimrod (Amraphel), Buddha, Kant, Hegel, Marx, Freud, Nietzsche et al share the distinction of being ‘God killers’ and inventers of philosophy’s and systems whose greatest appeal is to individuals who hope to perfect and/or purify themselves even though there is no source for self.
True Christianity is neither a religion nor a philosophy but rather a personal relationship with the living Spirit of God.
You said “But I doubt everything you disapprove of is just going to roll up and disappear.”
Reducing the profound meaning of the essay to ‘spite” (disapproval) is childish. And no, none of it will roll up and go away because there is a reason for its’ existence. It exists for those who prefer empty philosophy’s over a relationship with the Spirit of God. It exists to serve as a winnow, so to speak.
Her view (or yours) is one of many, and the others aren't simply negations of your own idea and they aren't going to go away.
If a "personal relationship with the living Spirit of God" is possible, it would be more complex and more awesome and harder to explain or describe than what this article represents.
A "personal relationship with the living Spirit of God" might perhaps make one more tolerant and less dismissive of other traditions.