OTOH many women may prefer as partner the European man who doesn't work crazy overtime every night, takes 4 weeks of holidays every year with her, uses his months of legally mandated parental leave when they have a baby...

The 6/6/6 dimensions seem to capture very little about what's actually important for the success of a long-term relationship. I guess that's fine, it's presumably a game for 20-year-olds.