What you gain in "readability" here (debatable), you lose in terms of screen real-estate efficiency. The last screenshot has a function filling the entire scree

What you gain in "readability" here (debatable), you lose in terms of screen real-estate efficiency. The last screenshot has a function filling the entire screen that would, under ordinary circumstances, occupy about ten lines of code. You're going to get frustrated having to page up and down continually in order to understand any remotely complex function.