The reason most churches don't address the book of Revelation is because the popular interpretation of that book revolves around the notion that Christians won't be here during the fulfillment of most of it due to the "rapture" which is associated with the second coming of Christ. This in turn makes most of its content irrelevant. Jesus' generation was wrong about the nature of Messiah's appearing, and this generation is doing the same, which is why it will be spewed out of Christ's mouth.