There's plenty of workflows that work just fine with large files. As long as you're segmenting the code somehow and have a quick way to navigate to a specific s

There's plenty of workflows that work just fine with large files. As long as you're segmenting the code somehow and have a quick way to navigate to a specific section, it doesn't really make a difference how code is layed out. It could be that his workflow is to always navigate by searching function names. Then it doesn't really matter if the project is 1 file or 1000.