He encountered a problem: "Most of the low-cost web hosting companies do not provide SSH or git support, but only FTP." He then solved that problem and decided to make the work available to others.
Did you forget who developed git? So in this case it's fine ;)
But honestly, I also have a hard time finding a use case for this. The question I ask my self over and over again: why not mount an FTP share and point your origin to it? In fact I did something similar when I was still in university. My desktop computer had my central gip repo, I either pushed to it locally via the FS or remotely via SSH.
Anyways, good thing to have git over FTP but I predict that it will never get traction because it seems to be in part a reimplementation of git?! (At least that's what the github page suggests because every basic git cmd is explained but with some git-ftp prefix... ;))
