Here's the page with Facebook's poor translation - replace "Easter" with "Passover". The "Dracula" part is obvious. The article said that Israeli Arabs ("48 Arabs") are terrified that Jews will kidnap and murder their children by placing them in nail-studded boxes to drain their blood to make matzah - "Zionist Pie" - before Passover.
Commenter Ben complained to Facebook that this was hate speech (and so did I.)
Facebook responded by saying that, no, accusing Jews of murdering Arab and Christian children to eat their blood is not a violation of community standards at all!
Apparently there is nothing you can say that is so antisemitic that Facebook would consider it beyond the pale.
There is another possibility. Facebook might have given the page to an Arabic speaker, who then made the decision that accusing Jews of the blood libel is not offensive.
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