Miritchka, stop being annoyed. There are a lot of things tanna’im & amora’im said on a great variety of topics that we cannot understand. Even people who devote years of their lives to studying their words are sometimes left with “teiku.”
In your own world, look around at the Rabbinic figures and young talmidei chachamim that you are acquainted with. I challenge you to find one who expresses any amount of disappointment
at the birth of a baby girl in his family.