If the reason understandability is important is that it means you get fewer defects etc, then really it isn't that it's important, it's that defects etc are important. This article is completely confusing means vs ends.
Surprisingly, yes, there's really not a lot of McDonald's or other chain fast food restaurants downtown. You can try exploring in Google maps to get a feel for it (consider eg the area around Mercer and Dexter Ave). You can get to one, but it may be a half hour detour on foot. What is closer will be awkward as they describe.
The snark and meanness in this HN thread is totally uncalled for and why people don't publish code. I can't believe this thread is on the front page together with https://news.ycombinator.com/item?id=23157783 . Go read that, especially the ending comments on open source.
> I made this thing that I thought was cool and I gave it away, and what I got back were occasionally friendly people who nicely requested things from me, but more often angry users who demanded things of me, and rarely anyone saying thanks.