@matigo The stretch is also funding Safe Replies development.
The community manager is also going to do PR (public site copy, blogging, etc) and docs, so those need to be written before launch.
They might also be partially driving the logic behind the Safe Replies feature, so they might take part in driving the dev work, too.
And the manager is only part-time, so they won't be just killing time. They should have plenty to do at half realtime speeds before launch. :)