Some of the “wives” had different legal status, but they were still recognized. The twelve tribes came from all four wives.
The rest of your post does nothing to refute the fact that prophets in the Old Testament practiced polygamy. You have put a lot of gloss on the Biblical text to try to diminish the impact, but it is just that — gloss.
Gee, were you trying to refute the fact that some OT men practiced polygamy? ... How could we have missed that, especially when you cited the facts and showed how Jesus condemned their polygamy and adultery and murdering. Wow, we do so need these lawyers to tell us what you’re claiming don’tchaknow!