Personally I know equally gifted writers in all three. But yes their may be a greater proportion of less crafted writers in the last two. As for myself, I am shooting for a Publisher. Plan B would be through a "vanity press or print shop, where I simpley hire someone to print and bind my book. Their profit stops there. The authors profit is whatever mark up they want to put on it. Problem is its $5,000 - $10,000 up front out of pocket. I am not personally a big fan of e-publishing but I am just a sucker for hardcopy.