Why in some schools students can't say "christian", "jesus", "christ", or "i'm a believer"?

Definition for excerpt illustrates the bandwagon propaganda technique

He had fished in the river since ten years and he was a good fisherman. he know where to found the slim sliver chilwa fish, a big beautiful mahseer and the long moustache singhara. he know where the river was deep but where it is shallow; he knew which baits to use - which fish like worms and which liked gram. edit the above

How are w. h auden’s “musée des beaux arts” and william carlos williams’s “landscape with the fall of icarus” similar?