More elaborate answer, no less rational.
What if the atheists declared they were about to throw "the largest atheist event in world history" on a Saturday in Washington and few people showed up? Reason Rally organizer David Silverman estimated that "99 percent of all atheists are closeted." The closet must still be full, because they sure weren't in Washington.
New Documents Show Extensive Collaboration Between IRS, DOJ to Criminally Prosecute Conservative Groups | Katie Pavlich