Because a “good” girl would never step foot into college, this would label her unfit for a learning boy, a poor girl is theoretically doomed to settle for less than her dream of a learning boy because she will never escape her “poor family” status.
Thinking in mathmatical terms, money is important to have to enable menuchas hanefesh to learn. But hasn’t history proved this wrong, with many gedolim living dirt poor?
There is too much emphasis on gashmiyus in the system with all pressure placed on the heads of girls to live up to ridiculously high standards because in this system, boys (and their mothers!) hold all the power. Midos seem to have become the icing on the cake not what one looks for in a shidduch. Money, looks, grades…all gashmiyus.
If this is what a learning boy bases his marriage on, there is almost no question that he will fail in learning simply because of his disgusting lack of midos.
Derech Eretz kadma latorah.