The problem for those who assert biblical authority in support of traditional definitions of marriage is that one could with equal validity assert that the lending of money or certain kinds of haircuts are forbidden by God or that slavery and the subjugation of women are authorized by the Lord.
As an audience member those studio films are fun. I like an adventure tale and I also like to go see something that has more of a social pulse. I like to keep learning and trying new things. And if the scripts are good it doesn't really matter.