A nagging bug is ultimately one more thing you don't understand. I don't know about anyone else but as someone who loves to take apart things I don't sleep well

A nagging bug is ultimately one more thing you don't understand. I don't know about anyone else but as someone who loves to take apart things I don't sleep well when I find there's something out there that I don't understand. Besides bugs are a given if you're building something new and if you don't find them interesting you're not going to fix the most challenging ones. If you ever followed Linux kernel development you'll find many hackers enjoy fixing challenging bugs.