Brainwashing, glitabo It is emphasised everywhere that world polulation is soaring and it is important to keep it down, so any couple who do more than replace themselves assume the role of greedy monsters.
In a country where the national average fertility rate of 1.7 children per woman, a few large families born into responsible green economical homes are not going to send replacement rates zooming higher, but they still eliciy the knee-jerk reaction.
Note the italics on a few I am not advocating mass philoprogeniture (ask Jo about that, she has Googled it, as it bamboozled her) but a little variation and individuality won't sink us.