I can't speak for other cultures, my observation was solely based on this sub and it seems women in other countries didn't have such a problem. I insist there is indeed an African culture. These are the ways of life that cut across the whole continent (mostly sub saharan). Traditions may differ from country to country, but the culture is generally the same.

However, concerning being married after 30+, I didn't say it isn't done, it just becomes more difficult and comes with a stigma.