LOL! yet you adduce no evidence to prove it.
Jews were practicing polygamy well into the middle ages.
Some Jews who lived under Islamic rule readopted polygamy in the 800s - it was not a practice continued through the ages.
You need to go back and study the allowable reasons for divorce were under Jewish law.
LOL! The reasons for divorce in the Torah are completely vague. In practice the Jews could and did divorce their wives for any reason under the sun.
David's wives were given as a BLESSING FROM GOD.
No, they weren't.
Was Bathsheba truly a blessing from God? Was God pleased with that whole scenario?
No, in point of fact, 2 Sam 12:8 read truthfully in its context refutes your entire argument.
Nathan the prophet is berating David because God has allowed David - despite his sins - to enjoy so many privileges and amenities including his multiple wives.
This passage in no way endorses or blesses polygamy - do you really think that Nathan came to bless David and his deeds in the name of the Lord?
Or did he rather rebuke him and curse him?
It may be Jewish but it isn't Christian.