In the book of CSS Mastery: Advanced Web Standards Solutions, there is a section about divitus and classitus.
Using too many divs is often described as divitus and is usually a sign that your code is poorly structured and overly complicated. Some people new to CSS will try to replicate their old table structure using divs. But this is just swapping one set of extraneous tags for another. Instead, divs should be used to group related items based on their meaning or function rather than their presentation or layout.
Semantic and style , they are different concern. While some developers and visual designer understand the rule of separation of concern, but web technology (like asp.net server controls, Web form) tend to make people deviate from it. Although it is not the fault of these technology, in fact, you can use these technology to achieve very semantic markup, but they tend to lure people to mix them together. ASP.NET MVC is trying to fix this.
Below is example of divitus classitus.
Here is restructure markup