Don't know what this ad was about, but I agree that physical abuse can be easier to forgive than betrayal - having experienced both. Although he only launched an attack 3 times toward the end. Then I moved out.
Betrayal can be so permanently emotionally disfiguring.
However, if the abuse was long-term or disfiguring maybe they would even out. I do not know.
Let's never forget the Tracey Thurman Story
http://www.registercitizen.com/articles/2008/11/24/news/doc492a4eafeebd4918067408.txt