They thought it was awesome because the 1930's were still in living memory and were way worse.
If you want that lifestyle today you can still have it on a single median income.
The biggest difference was health care. Back then a small majority had health insurance, but those who didn't weren't bankrupted by health emergencies -- you just died or suffered instead.
To use my, now standard, tagline: This is total bullshit...
The Economist often has insightful writing, but the premise of this article is just wrong.
Like the entire field of "economics", this article is inaccurate, because of basing it's assertion on "Lies, Damn lies, and Statistics".
Using a mean to judge any kind of society wide assessment is just not going to be accurate in any modern economic analysis...
I picked this at random from the middle of the page: "Notoriously, egg prices quadrupled over the past few years, after mass culls of hens to halt bird flu. But a typical basket of groceries has largely tracked overall inflation (see chart 2). That is no surprise: the inputs into grocery bills are a microcosm of the economy, encompassing goods costs (the food itself), wages (of cashiers and warehouse workers) and rent (paid by the supermarket)." Tell us with your own words what you see with your own eyes.