As with any fiction author, the details are probably exaggerated, and he particularly tends toward a certain kind of luxuriant self-deprecation, so, pinch of salt and all ...
I believe the dueling meta-narrators of his first book, You Bright and Risen Angels, were also programmers, or something like that. It's been a long time since I read it, but I remember Electric Emily's origin story and the parts where the programmer-narrators fucked with the "source code" of the narrative being my favorite parts.