[noqc]

I didn't claim that the author is still "religious". I claimed that the author maintains the importance of "faith". This is the same thing as being religious, of course, but without the specifics.

He is publicly making an argument that math team is dull and bad. The argument is based in the evidence of his personal experience, and the philosophy with which he approached this math team is very important context that he has left out, which undermines his claim.

He's also not a private stranger. He has 1500 followers on twitter, and an extensive blog about his personal life.