You don't have to be an atheist to want to keep science in science class. Sarcastically urging schools to teach other pseudosciences, myths and discredited theories is a fine way to show your pro-science stance. Darwin would be proud!
It reads: Did you hear about the One, where one person, from every nation on the planet, walked into a bar, sat down, ordered a drink, had conversation, and decided to coexist peacefully and how nobody acted like a dick, because attacking strangers for their skin color, religion or nation of origin, is fucking BIGOTED?!