Originally Posted by lo2e

I don't see it happening, and here's one example why: If someone makes a post and 100 other posters respond to it, it would look very strange if that first post was deleted and all that was left were the responses. And yes, I know you can go in and edit your post and remove some/most/all of the content in the post, but I believe there are ways to reinstate that content if it proves crucial to the discussion.