"it was a sunny May afternoon in the office of Dr. Whoever, where the cobblestones in the entrance glinted the fading sunlight. When Dr. Whoever was a boy, his father would take him out fishing..." ... and rambles on with meaningless details, containing perhaps a handful of passages in the article that are actually relevant to what the title promised me.
Perhaps a clearer example is when you find a recipe online. You will find pages of how the recipe has been in the family for ages, and how the author's family is delighted with it, and the innumerous and unproven health benefits it has, and how it's so easy to make, etc. The actual recipe is half a page.