For the other non-native speakers wondering, "fly" means your trouser zipper.
He surely has his fly closed when cutting through the hype with reflection and pragmatism (without the extreme positions on both sides often seen).
I was also confused when I read that sentence. Wikipedia has an article on it: https://en.wikipedia.org/wiki/Fly_(clothing)
I was also confused when I read that sentence. Wikipedia has an article on it: https://en.wikipedia.org/wiki/Fly_(clothing)