Maybe you should discover the real meaning of the word abomination. 

The point is, these laws came into being in a Jewish community abutting the Canaanite culture that had been occupying the area in question. This was also a period of intense competition between monotheism and paganism. The catalogue of sins refers to the activities of the Canaanites.  The religion of the Canaanites was cultic, sacrificial, sexual, directed toward agricultural success. That there was animal and child sacrifice to Molech has been established.