I suppose you can look at it both ways. It does seem unfair that larger families should be the prerogative of the better off- but my daughter's point is that it is actually the other way round nowadays- and she thinks it is really unfair, actually. And I can see her point.
Mistakes happen, life happen, illness, accidents, deaths- and this is what the social welfare is for, and absolutely rightly so... but ....
where does one draw the line. I can truly understand that people who work really hard, make the sacrifices, work very longhours, and cut their cloth according to means- then see others run roughshod over it all- and expecting others to pay the bills. DD1 and sil get up at 6am everyday, and take it in turn to return home for 5.30, the other parent often not home till late due to responsibilities. My OH worked 130 hours + when our kids were young- there was no choice, and it was not for greed, that is for sure.