Irrespective of the time frame or the dubious definitions you seem to be attaching to it...slavery is immoral, right?...so the question is why was this permitted by the god of the Jews? Ever? Did this same dude create lesser humans for the purpose of exploitation, as well?
Furthermore when you study the Halakha (halakh הלך) the law code of the Jews there are 248 positive mitzvot or commandments and 365 negative mitzvot given in the Torah...are these of Yaweh? inspired by Yaweh or of human making or both?
‘I invite you to look again, my friend. Most often, we today read the Torah, New Testament, Koran, etc., from a narrow, preconditioned contemporary philosophical point of view (in reading these holy books, modern cultic [religious] authorities often encourage this).’
Indeed. I am not saying that the Bible denies the existence of other gods, what I am saying is that Judaism was a monotheistic religion