I think any quiz that takes only one aspect of a relationship into account is pretty useless.
I had similar thoughts when I saw it -- because my RAXH sure as hell exposed me to a whole lot of new experiences! Even outside of the negative ones that made me feel like sh*t, I learned and grew a lot in positive ways with him, despite the drinking. But I grew and learned only what he would allow me to -- there were always the tantrums when I wanted to do something he wasn't interested in or felt threatened by...
A therapist/counselor I've read several books by (can't recall his name right now) has another touchstone that he judges the sustainability of a relationship by: If one party feels morally superior to the other, in his mind, the relationship is doomed. He says anything else, you can overcome -- but that can't be mended.