I believe we see this article every time we have a strong economy. When the economy is strong, teaching is unappealing. When the economy is weak, many people cannot find other gigs and so flood into the relative security of teaching.
Teaching may also be less pleasant in the social media and smartphone age, for reasons enumerated in The Coddling of the American Mind (a highly recommended book). There may also be a gender dynamic at work; today, it would be hard for me to recommend that guys go into teaching: https://jakeseliger.com/2014/09/08/why-dont-more-men-go-into....
Teaching may also be less pleasant in the social media and smartphone age, for reasons enumerated in The Coddling of the American Mind (a highly recommended book). There may also be a gender dynamic at work; today, it would be hard for me to recommend that guys go into teaching: https://jakeseliger.com/2014/09/08/why-dont-more-men-go-into....