Sussman and Abelson got tired of that decline, calling it "programming by poking", and quit teaching SICP.

I call it glue and duct tape. Everything is integration these days. Mixed blessing of that resusability we were promised and the poking that goes with it.

https://web.archive.org/web/20160504164044/http://www.poster...

Discussion at the time https://news.ycombinator.com/item?id=11628080