Comment by javcasas

I have seen this quite often. I blame it on the obsession with UML along with the limitations of UML. I/E in UML every one draws boxes that have arrows to other boxes, but no one draws boxes that have boxes inside them. Instead, you draw a box with an arrow going out and then back to itself, hence _it has to be a loop because the arrow does a loop_.

That's why React components are _weird and wrong_, SQL CTEs are _overly complicated_, and functional programming is _impossible to understand_. It's all boxes with other boxes inside them, instead of next to them, and many people can't understand you can nest boxes many times.