It was money making opportunity

Social and Religious politics, that's why.

Because the Bible wanted a "hey, we're oppressed" thing so they made it's main character get crucified.

Then you find out Pontious Pilate (the Roman governer) didn't really want to kill the guy who could turn water to wine (he tried to spare the guy several times from being impaled), but ultimately it was his own people (the Jews) who voted for his death.