Sometimes this is logical, other times it seems like an attention grab. It is fairly common for certain communities on, for example, Livejournal to be overly sensitive to people's 'triggers' (often but not always relating to sexual assault)--any mention of violence may be censored.
Why having kids later is a really big deal. The average age of American women having their first child reached a record high of 26 years old in 2013, according to the Centers for Disease Control and Prevention's National Vital Statistics Report.
In the 1970s, the average age of women giving birth to their first child in this country was just over 21. Today it is almost 27 years of age. In fact, close to 10% of moms giving birth for the first time are now women over the age of 35.