What Jake did to Vienna was far worse than what Jason Mesnick did to Melissa Rycroft.
Jason proposed to her with no intention of getting married but broke it off not long afterwards.
Jake proposed to Vienna with no intention of getting married; then asked her to move across the country, live with him for months, support his "career," and totally abandoned her emotionally. His abuse lasted months.
In other news Jillian is dumping Ed.