Objectivism doesn't refer exclusively to Ayn Rand.
No it also means being a selfish asshole.
Anyway, I say negative, because it denies the existence of God.
There actually is a middle ground between requiring everyone to share & advocating being a selfish asshole. Ayn Rand argued against altruism in general, so that being taxed to fund welfare programs was wrong, but so was donating to charity. It's quite fitting that she would deny the existence of God, as her ideas are directly contraposed to the teachings of Christ. What would Jesus say about this?:
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