It would certainly help avoid user error if they put the above information on their policies on the web page leading to the net price calculator: https://finaid.cornell.edu/cost-attend/financial-aid-estimator
Compare to how Princeton explains how to use its net price calculator for divorced parent situations (note: Princeton policies differ from Cornell’s policies, but the point is that Princeton is up front about them): https://swebapps.princeton.edu/FinAid/finaid_form.pl