That's why we have professional writers, graphic designers, filmmakers, speakers, musicians, and other types of media professionals. When an average person tries to create content, they typically don't have much to say and what they do say is often said badly. The vast wasteland of Geocities confirms this. Giving users a home-page editing program does not turn them into good writers. That said, Geocities also contains some gems.
Many people have interesting stories to tell or have expertise in highly specialized fields.
Even when people don't have material that the world might find of interest, they often have content to share that is very important to a few people, such as their family and friends. The beauty of the Web is that it supports narrowcasting and the posting of pages that only a handful of people might read. I see a few promising approaches. Structured Creation A blank piece of paper creates writer's block. An empty, pageless website is worse still.