Apart from political balance considerations, for future national policy, Li Lin also needed to make the right-wingers squat in the corner and shut up.
"Pretense" seems to be an unfortunate tendency of all Wisdom Species, inevitable in any circumstances, and a bit of pretense, for the sake of rationalizing one's actions, isn't entirely unacceptable. Just 10 minutes before Li Lin and Minerva had their extended conversation about "the superiority of racial segregation," the governing officer had just signed three documents: two were tender notices inquiring "which company does the best disinfection showers" and "which company does the best cremation furnaces," the third was a transport order to send batches of "wax-paper-wrapped" Zyklon-B to Katyn Forest in the north.