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[[File:Jacques Berlinerblau.jpg|thumbnail|250px|right|In 2011, atheist [[Jacques Berlinerblau]] declared: "The Golden Age of [[Secularism]] has passed."<ref>Berlinerblau, Jacques (February 4, 2011).  [http://chronicle.com/blogs/brainstorm/obama-at-the-national-prayer-breakfast-raging-christ-fest-secular-wake/31816 "Obama at the National Prayer Breakfast"].  The Chronicle of Higher Education/Brainstorm blog.  Retrieved on May 29, 2015.</ref>]]

[[File:Georgetown 2.jpg|thumbnail|right|200px|In 2012, a [[Georgetown University]] study was published indicating that only about 30 percent of those who grow up in an [[atheism|atheist]] household in the [[United States]] remain atheists as adults.<ref name="christianpost.com">http://www.christianpost.com/news/study-atheists-have-lowest-retention-rate-compared-to-religious-groups-78029/ Study: Atheists Have Lowest 'Retention Rate' Compared to Religious Groups</ref>]]

There is a significant amount of [[groupthink]] among [[secular left|secular leftism]] (see: [[Atheism and groupthink]]). In addition, [[atheist indoctrination]] is a significant cause of [[atheism]] (see also: [[Causes of atheism]]).  In addition, atheistic cultures have used the persecution of religious people and mockery (often of a caustic nature) in order to increase social conformity to their irreligious ideas (see: [[Militant atheism]] and [[Communism and religious persecution]] and [[Atheism and mockery]]).  

There is a significant amount of [[groupthink]] among [[secular left|secular leftism]] (see: [[Atheism and groupthink]]). In addition, [[atheist indoctrination]] is a significant cause of [[atheism]] (see also: [[Causes of atheism]]).  In addition, atheistic cultures have used the persecution of religious people and mockery (often of a caustic nature) in order to increase social conformity to their irreligious ideas (see: [[Militant atheism]] and [[Communism and religious persecution]] and [[Atheism and mockery]]).