We need visual programming. No, not like that.

https://blog.sbensu.com/posts/demand-for-visual-programming/

A nice survey of the different forms of code visualization, and ways in which visualization can benefit programmers in forms other than "this diamond represents an if statement..."

Reminds me of this picture from my notebook I posted in a stackoverflow question:

It would be cool if there were tooling that helped to visualize these sorts of issues, which I run into reasonably frequently.