This includes a whole range of unpaid activities that take place at global, national, local and household levels. A welfare system that facilitates a balance of the three different forms of contribution is more valuable to human society than a system that forces everyone to contribute through just one of the three forms. Indeed, mass labour market participation may contribute even less, net, than mass idleness. Variety is the spice of life. Variety of contribution is the means of safeguarding society.
People like to focus on it, but it is really irrelevant.
Any system will have a small percentage of abuse - any system you might name. The other third have coming the entire 8 years, and likely many years before that. Most are able-bodied. Yet we don't even see many of the truly destitute in our community, since the local police is rumored to have an unwritten policy of picking up panhandlers and putting them on the bus out of town.