I have a much, MUCH harder time reading a narrow font.
I also find it aesthetically inferior to a "non-narrow" font so much that even if it was as readable or more, I feel like I would have a hard time getting myself to use it.
Is there some other aspect that people like, such as being able to work in a narrower editor window? If this is purely subjective, why aren't non-narrow fonts also circulating on the front page every week?