From the perspective of someone who had a bit of a wayward father, I would say that cases seem to vary wildly. Certainly, in our situation, my father never paid a day of CS in his life, despite my mother's numerous attempts to notify the authorities of his whereabouts.
Had he done the honourable thing in the first place, I really don't think she'd have gone that route. It must not be forgotten that very often single mothers don't have an awful lot of time to work and earn a wage, hence child support comes into play. Certain hoops must be jumped through and information provided...etc. Without this however, I very much doubt my siblings and I would be around today.
I really don't believe any one person or group is to blame, tbh. I have no idea what my father's motivation was for doing what he did, but I am fairly certain that every decision that he made was his own. I can understand how societal influences may come into play in situations such as this, but only to a degree, really. Ultimately, this is ALL about individual choice and responsibility. Always has been and always will be. The same can be said for the attitudes and behaviours of our children. Children will do as they see and very often what they know they can get away with. Simple as that, really.
This story, as has been pointed out, is just another bit of smear, imo. They've done the unemployed and disabled, they've even done people who really have no right to be thinking they are rich enough to live in the capital city, so I guess single mothers are next? There's a famous saying similar to that, about "doing nothing", aint there?