ignebert is right about the influence of other cultures and religions in Judaism and Jewish culture, then certainly the Jews had opened plenty of doors for the demons to enter through:
The Jewish hypostases had too much in common with those of the Greeks and the Persians to have been completely independent of them. Persian speculation concerning the Amesha Spentas (the "immortal spirits") led to such concepts as the Spenta Armaiti (the "Holy Awe"), resembling the Jewish Wisdom, and the Spenta Mainyu (the "Holy Spirit"), which may well have exerted some influence on the Ruach [Strong's # 7307 & 7308: wind, soul, spirit, ghost] as did the Greek Sophia and Logos. This probability is greatly strengthened by our certain knowledge of Persian influence on the demonology and angelology of the Jews (95).
If indeed this is the case, then the subsequent obsession with demons and angels (naming, classifying, ranking) would have shifted attention from Israel's covenant God to His enemy. Given the fact of Persian economics there is no reason to suppose the Hebrews w
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