Judges chapter 9 part 1

After reading chapter 9:

*Now Gideon had a son named Abimelech by a concubine from Shechem. Abimelech went to Shechem and spoke to his uncles and the rest of his mother's clan. He asked them if they were more inclined to have Gideon's 70 other sons rule over them, or him, one man of their own flesh and blood.
When put like that, they were in favor of Abimelech. They gave him silver from the temple of Baal-Berith, and he used it to hire some mercenaries. Abimelech went to Gideon's home in Orphah and murdered his seventy brothers except one who hid,  Jotham the youngest.

*Then the citizens of Shechem gathered at their great tree to crown Abimelech King. During the ceremony, Jothan yelled at them from the top of Mount Gerizim. He told them a story in which an olive tree, a fig tree, and a vine, were each asked to be king. They each turned down the honor, stating that they already had good jobs. When a thorn bush (representing Abimelech) was asked to be king, it  said the people must take refuge in its shade or fire would come out of it and consume the cedars of Lebanon, presumably meaning "if you make your bed, you must lie in it." Next, Jotham said that if they have acted honorably toward Gideon's family, may Abimilech be their joy. (I think he was being facetious.) If they have not acted honorably, may fire come out of Abimelech and consume them all. In other words, he cursed them. Then Jotham fled to hide from Abimelech.

*A bit of review about Shechem: The great tree there is where Abraham had built an altar, sacrificed to Yahweh, and recieved confirmation of the covenant. (Genesis 12) Shechem is where Joseph's bones were buried after the exodus, on a piece of land that had been previously purchased by Jacob.  (Genesis 33- 34) There Jacob had also built an altar and sacrificed to Yahweh. That is also where Jacob's sons, Dinah's brothers, had massacred the inhabitants after demanding their circumcision. In Joshua 20, Shechem was in the territory of Ephraim and designated as one of the cities of refuge. It was given to the Kohathite Levites in Joshua 21. There Joshua renewed Israel's covenant with Yahweh. He took a large stone and set it up under the oak, near the holy place of Yahweh. ( Joshua 24) Now, combine that with the mention that the god Baal-Berith, which means "Lord of the covenant" was worshipped in Shechem. (Judges 8) My study bible calls this ironic and says that the covenant probably referred to a treaty between Canaanite cities. I'm more inclined to think it was an example of religious syncretism.   Does anyone else wonder what happened to the Levites?