Eli Barzilay [off-list ref] writes:
Well, the reason is to have an easy-to-glance-over summary of changes
for push notification emails. I didn't realize that the intention of
--stat was to be completely compatible with `diffstat'.
I think you have it somewhat backwards.
Being the same as normal diffstat output that people are familiar with,
the output makes it "an easy-to-glance-over summary of changes" whereever
it is used, be it in a notification e-mail or from interactive command
output.