why i cant believe in an abrahamic religion

Judaism had its origins in the Canaanite/Israelite culture of the late 2nd and early 1st millenia BC. Israelite culture was Canaanite in origin, sharing with other West Semitic cultures a common pantheon made up of gods including El, Asherah and Baal, as well as the worship of solar and lunar deities and ancestors and common practices including necromancy and child sacrifice. Yahweh originated as a war-god in Edom/Midian, and was gradually assimilated into the highland Canaanite pantheon. This process was marked by two major phases: In the period of the Judges and the early monarchy, convergence saw the coalescence of the qualities of other deities, and even the deities themselves, into Yahweh: Thus El became identified as a name of Yaweh, Asherah ceased to be a distinct goddess, and qualities of El, Asherah and Baal (notably, for Baal, his identification as a storm-god) were assimilated into Yahweh. In the period from the 9th century BC through to the Exile certain features of the Israelite religion were differentiated from the Yahweh cult, identified as Canaanite, and rejected: examples include Baal, child sacrifice, the Asherah, worship of the sun and moon, and the cults of the "high places". The driving forces in this process were the royal household of Judah, which identified Yahweh as their tutelary deity, and the prophetic schools of the north. The religious reforms of Josiah, dated by the Bible to around 622 BC, and apparently a reaction to the political crisis through which Judah was then passing, marked the decisive step from henotheism to Yahweh-centred monolatry (the insistence on the exclusive worship of one patron god for Israel, without denying the existence of other gods); the development of full-blown monotheism, the concept that Yahweh was god not just of Israel but of the world, is more difficult to date, but seems to have developed during the Exilic and post-Exilic periods, in the hands of the Yahwist priesthood.

there ya have it, folks. the three most popular religions in the world (judaism, islam, christianity) are based on a subgroup of a polytheistic pagan religion. it would seem that for most of the world, man did indeed create god.