Thom Rainer, Billy Graham School of Missions dean [at the Southern Baptist Theological Seminary] and Church Central president, said Christian apologetics is a coming hot book genre. Cultural conflicts between religions, heightened by the war on terrorism, will drive churches to understand other faiths while defending and spreading Christianity. Rainer's recent research found many churches are forming apologetics departments to help Christians to understand what and why they believe.
You either know what you believe or you don't believe it. If you don't believe it, you're either unaware of it, it doesn't matter to you, or you believe something else.
"Apologetics" is an easy way for some folks to make money, but a fair and balanced treatment of this topic would conclude that it's not worth one's time.