Because tribalism so easily leads to dehumanization, you start seeing the other as other than human, you start name calling them and excluding them from equal rights and access to resources because they aren’t human to you anymore.
And I have said but it bears repeating again, what we do is we “It” people--we treat them as “It” instead of as children of God, we treat them as “It” instead of as “beloved” we treat them as object instead of as human beings made in the image of God and this is all very human of us…
But so is our ability to be changed by the people we encounter...like Jesus was…so the question this passage answers is not just: Can Jesus learn but also: Can we? Can we learn like Jesus to become more embracing, more loving by listening to outsiders?
That is what Jesus does...Jesus learns by listening.