No! But I think it's not
that unusual that such people should be regarded as bizarre anomalies.
Trends in living arrangements including families (with and without dependent children), people living alone and people in shared accommodation, broken down by size and type of household.
www.ons.gov.uk
Number of households is 28.1 million, 3.6 million cohabiting and 12.7 million in registered partnerships. So about 11.8 million in single households (3.0 million a lone parent families). So a minority, but a significant minority.
I don't have any idea of how the economy should be organised. I think nurses have a good case that (like HGV drivers not so long ago) there are significant problems in recruiting and retaining them, and an obvious Conservative solution would be to increase their wages.