Great story. The curious part of me would love to see a video of how he codes and how fast / accurate / contextual the screen-reading software is. Yes, I see the irony in wanting to see a video of that. Still, want to see what the experience is like for him, at least to the degree I could understand.
Here's a video of another blind dev. What I find fascinating in both cases is the speed at which they use voice assistance. I can barely make anything out.