Atheists often denounce Christianity as harsh and negative. But in reality it offers a much more positive view of the human person than any competing religion or worldview. It is so appealing that adherents of other worldviews keep free-loading the parts they like best.
Finding Truth: 5 Principles for Unmasking Atheism, Secularism, and Other God Substitutes (ed. David C Cook, 2015) - ISBN: 9780781413282