It describes it as a sectary offshoot relatively quickly corrected - while the historical evidence suggests that it was part of the main religion of these people for a long time. Note also that, while Baal became an adversary of Yahweh and/or a false god in later narratives, Asherah and El were ultimately identified with Yahweh - to the point that mentions of El in the Bible became identified as referring to the same being as Yahweh.