Edit posts? Throw responsibility out the window?

Editing your own posts lets you fix typos and replace dead URLs with replacement ones. It's a pain when you start a discussion by pointing to a URL and find the discussion is still going on years later but the site's moved. (Case in point: all the stuff at my own Demon site).

If the only uses "gnu" can think of for it are malicious, that says more about him than about the functionality.