jwz has a rant (not linked here because he presents a special page for hacker-news referral links) about people sending him screenshots of errors instead of typing the error text into an email. I kind of understood where he was coming from (why encode text as an image, that requires more congnitive load to decode than the original text) but I actually frequently see error screenshots that contain more contextual detail (the OS, what extra software is on the machine, etc) that can help in understanding a bug.

To me, having systems that can do developer-level triage from screen contexts would be pretty valuable although in principle, it shouldn't be needed.