The article was interesting, but even more so was his link to arena allocation in C: https://www.rfleury.com/p/untangling-lifetimes-the-arena-all...

This comprehensive article goes over the problems of memory allocation, how programmers and educators have been trained to wrongly think about the problem, and how the concept of arenas solve it.

As someone who spends most of his time in garbage collected languages, this was wildly fascinating to me.