I have noticed an usual trends lately in the discussions board most especially Bitcoin discussion, gambling discussion etc, members rush to make a short comment just to reserve the first spot on the page, and after a while coming to edit it with the full text, this make no sense to me, and no signature campaign demands that you must be first to comment at least none that I know.
The effects of this is that, it limits readers from seeing your original thoughts on the topic because at first glance you see something like straight forward answer like (really), and when edited to contain the full text the reader may not come back to that thread again.
This happens mostly with those in signature campaign and I think there is need for readjustment, no need reserving comments space to appear on the first page.
If there is any thread on this issue already please let me know to lock this one.
This has nothing to do with signature campaign, rather it is a habit practiced by many people and it is not really that cool. There was a time I quoted someone's post, later the person came back and edited the post only for my comment to turn off point. Assuming that when a post is quoted, when it is edited, it should reflect on the part that have been quoted, that would have been fine.
As long as there is an edit button, I don't think there is anything the admin can do about this, it is a habit that we will only advice people to avoid.