The trajectory of both cultures were at times parallel. Industrialization. Space race. Higher education accessible for middle class. Having to figure out womens and minorities rights, freedom of religion and abortion.
The bashing of white male culture obscures the fact that it's the culture that made universal human rights possible. Not done by Indians, Chinese or Arabs. We invented this idea that women and men, black and white should be viewed from same angle. Was universally unthinkable before.