Christians...would-be nihilists

there are a lot of Christians on the internet who are a lot more fundamentalist than they appear. many Christians have this attitude that if God does not exist, then any conversation we have is meaingless; they adpot this "all or nothing" attitude with regards to the value of human life, stating that in the absence of God, nothing really matters.

there is this guy on youtube called "togetherforpeace". He's a Christian who makes video's attempting to criticise atheism and justify his Christianity. he is a complete fundamentalist,despite the fact that he would deny this. his big objection to the "atheistic" lifestyle is that in a Godless universe, where humanity is nothing more than the result of "chemical processes", any objection an atheist makes is meaningless to a Christain perspective. he uses a type of "language game" argument, stating that "you criticise my "framework" (christianity) from your differnt framework (atheism)". he avoids all real argument with this trick and destroys and chance for argument.

http://www.youtube.com/watch?v=EMaOKTOptqA&feature=channel_page

he is just a particular case. however more generally, I think Christians are more fundamental in their beliefs than they themselves realize. I am also surprised at how so many Christians present themselves with a confidence that really such a belief system does not allow; the very meaning of their lives hinges on the existence of God, and it would seem that the more certainty a Christian has about the existence of God, the more likely it is that that person will entertain nihilistic tendencies towards a Godless universe, as opposed to a Christian who openly acknowledges his/her doubt about their beliefs.