Usefulness of Subject-header of git commit mails

[Thomas Lübking]

Am Sun, 23 Jan 2011 20:43:42 +0100
schrieb Milian Wolff <mail at milianw.de>:

> Recently, the format of the subject of git commit emails was adapted
> to use the old SVN format. This sucks in my opinion and I want to
> have it changed.

To me, this would be the driving question.
*Why* was it changed in the first place anyway?

It looks just like a bad idea to me, but I guess there /is/ some
justification which me and many other recipients don't know, thus
can't have an informed opinion about this?

Thomas