The discussion centers on the absence of an EDIT button for posts in a specific forum thread, with users expressing frustration over the inability to edit their posts. It is clarified that the issue arises from the posts being part of Usenet, where editing is not permitted due to the nature of how posts propagate across servers. Once a post is made in Usenet, it cannot be rescinded or altered, ensuring consistency between the forum and Usenet servers. Users acknowledge the challenge of posting accurately on the first try, highlighting the importance of the EDIT feature. The conversation concludes with a light-hearted acknowledgment of the limitations imposed by Usenet posting rules.