It's not that the West no longer wants to believe in God, but that it can't even believe anymore: It's a dead rose. nihilism is so widespread, through a sort of liberal-type social engineering (individualism, secularization, etc.) going on 200 years, that they can only have faith/trust in nothing. As Bauman writes & demonstrates in his book "Liquid Modernity", the West doesn't even believe in a utopian vision anymore, that which was the foundation of secular modernity.
~Ciarán Ó Murchadha