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By all accounts it is not:
1: religion is not a sentient being, so it can’t be impaired intellectually 2:religion is hardly developing later than desired or expected as it was with us for our entire history 3: religion is not socially inappropriate in almost every society, and it is by no means “foolish”, and if you wanr to say otherwise it is up to you to prove it is.
Déjà-vu.