Why would you assume anything? The answer is provided in the article itself. Why can so few people be arsed to read the information provided before leaping to an attempt at pithy commentary?
The group ... views Satan not as a supernatural being but as βa literary figure that represents a metaphorical construct of rejecting tyranny over the human mind and spirit.β The clubβs programs, they say, focus on βscience, critical thinking, creative arts, and good works for the community.β
(Boldface mine. "science" comes to us from Latin's "scientia": knowledge)
The irony of assuming something instead of learning/confirming it from the information provided, as regards an article about an organization whose stated focus is on knowledge and critical thinking, is disappointing.
In the few hours since you posted this question, to which you received no reply, you will of course have discovered the answer by other means.
So congrats! Now you know what soffit is. π