A robust natural theology may well be necessary for the gospel to be effectively heard in Western society today. In general, Western culture is deeply post-Christian. It is the product of the Enlightenment, which introduced into European culture the leaven of secularism that has by now permeated Western society. While most of the original Enlightenment thinkers were themselves theists, the majority of Western intellectuals today no longer considers theological knowledge to be possible. The person who follows the pursuit of reason unflinchingly toward its end will be atheistic or, at best, agnostic.
This goes even further than the things I quoted Craig as saying in my review of the second edition of his book. And needless to say, it isn’t the message he usually gives his audience. This should remove any lingering doubt that Craig is a charlatan.