While this is certainly true (you have to a car to low-ride it), shouldn't be expect social groups to be at play with alcohol as well? For example, lawyers ten

While this is certainly true (you have to a car to low-ride it), shouldn't be expect social groups to be at play with alcohol as well? For example, lawyers tend be to more intelligent (and have higher incomes) than the general population, and perhaps lawyers tend to drink more. Is this suggestive of a correlation with income, or profession? Do the smarter and presumably better paid lawyers drink more than others?