When he mentions the lack of cables, he's pretty close with most of them being underground. But also he's incredible close if you consider the mess of cables that was the Stockholm telephone tower, functioning until 1913 https://www.amusingplanet.com/2017/09/the-stockholm-telephon...
If a male writer, the article is even more impressive given the clear sensitivity to, and awareness of, women's issues and the likely impact of technology and social changes on women.
That said, the author was likely a person of privilege rather than someone more representative of the population of 1922. A starving writer was unlikely to have been so focused on the challenges of hiring good household staff.