In Romance, Too Many Choices May Hurt

Recent studies found out if the brain is faced with abundant choice, it may make decisions based on what it can evaluate most quickly.
Does this apply for love?
According to a recent study conducted over speed dates, at smaller events (with less than 24 participants), participants were much more likely to make decisions based on deeper attributes, such as education, job, smoking habits. At bigger speed dating events, both male and female choosers were more likely to decide based on attributes that could be judged quickly, such as their dates’ height, and whether they were underweight, normal weight, or overweight.
Does this explain why city dwellers seem much more superficial?