Measuring reach? certainly not. It was just setup as a confluence plugin by the corpit team and left as a free-for-all with no direction.
> I really fail to see how this is a negative thing
It discouraged engagement. You can argue until you're blue in the face if it should have or not.
If there's something to take away here, I imagine that it's not "internal stackoverflows are doomed to fail", and more "unstructured adoption of internal stackoverflows don't go as smoothly as one fantasizes"
Had we made some set of individuals as having been responsible for the adoption and moderation of it, it may have gone better.