Simply that, in ‘77, we were all out dancin’ the night away whereas ‘37 was the depths of the depression soon to be followed by the war. Generally speaking, of course.
We were also dancin' the night away in '37, doing the Big Apple, the Balboa, the Truck, and a step called peckin'.
We also had better music in '37. I'd take swing bands led by Benny Goodman, Bob Crosby, or Ina Rae Hutton, sweet bands conductred by Eddy Duchin, Shep Fields, or Guy Lombardo, the Western swing sound of Bob Wills, Cliff Bruner, or Smoky Woods & His Wood Chips, and vocalists such as Judy Garland or Bing Crosby over the Sex Pistols, Rick Dees & His Cast of Idiots, and other 1970's acts.
The article seems to be asking “are things worse for todays generation”? and then answering “not really”.
Every generation has their own pleasures, problems and challenges.