Progressive Christianity and Lukewarm Christians

Some of the ideas on the progressive side of Christianity are going off the rails. You may as well say some of these leaders are starting new religions. It is clear that a lot of their ideas are based off feelings and not truth.

Francis Chan's book Crazy Love poses some challenging ideas around the idea of lukewarm Christians because of the verse Revelation 3:16- "So, because you are lukewarm—neither hot nor cold—I am about to spit you out of my mouth." What does that mean to you?