While there exist women that don't look at earning ability of men, and there exist men who don't look at the age and appearance of women, both of those seems to be depressingly small minority when ever I see studies on it. I recall a poll from example china where 80% of women answered that they could never date a man who earned less than a set amount (which is above average pay), and a majority who considered that a man should not even be allowed outside if they didn't earn that much. They should be inside studying or working.

Why is post-1950 men better off in this regard than pre-1950?