I usually do that when the text is huge like that Gem. Makes it easier to read and absorb I think. Otherwise people tend to just looks at the mass of words and think no way they have the time or interest. With headings I think it helps break it up into bite size chunks

Jventer ... well I hope I don't have a reputation for Brutal critiques I try to be as honest and clear as possible, give credit where it's due, and suggest changes if I can think of any.