Takeaway: Very few take Jesus seriously when he about having a different type of kingdom.
As American Christians have started looking again at their eschatology (view of the end times) and moving away from dispensationalism, more Christians are starting to see that the implications of their eschatology affect many areas of their Christian life.
For instance, a number of Christians have adopted a more nuanced position on ecological issues after rejecting the traditional Dispensational idea that the physical earth was simply waiting to be destroyed as punishment for the sins of the world. So if the earth was not condemned, then God’s command to be stewards of the earth in Genesis might still be a present command.
Brian Zahnd began re-evaluating his support of war (after originally supporting the first Gulf war and then the wars after 9/11) in response to a new look at Jesus’ words in the Gospels. Repeatedly throughout the book, in one way or another, Zahnd asks, “What if Jesus really meant what he said.”
For Christians that really try to take scripture seriously, this is a deeply disturbing question. It is hard not to think that Zahnd has a real point if you have heard just a few sermons from the Sermon on the Mount. We tend to spiritualize the Sermon on the Mount, not put it into practice.