Since you ask, I'll repeat myself. Suppose you have lots of people applying for 100 slots in the university. Affirmative action at a US university designed to give you a quota of, say, 10% minorities could, in the worst case, crowd out qualified persons #91-100. "Jewish questions" deployed against highly qualified Jews in a Jewish-dominated field in Lithuania could have easily excluded most qualified persons in the range #1-100.
I really don't like affirmative action either, but it differs substantially in intent, technique, and impact. Considering them morally equivalent slights against the ideals of fairness and merit is a very narrow, black-and-white world view - and without abandoning the ideal of justice, I think it's important to see that there are many shades grays in this world, and some are much much darker than others.