nah, yes they can, if they want to. if they specifically just want sex and not a relationship. if they wanted a hook up to get pregnant, 99% of women could do that (ignoring infertility)
we are conscious that our fertility fails as we get older so if we want a partner to raise kids with, we are looking for that from a much earlier age.
the article is about a guy sad because he hasn't had kids. and that's probably because he hasn't had to think about failing fertility and never thought that he wouldnt be able to pull fertile women when he was older and had stopped fucking about.
if he is lamenting, not having found a PARTNER, then that's different