It isn't really clear that splitting up your code into a bunch of files is always a good thing. Sometimes it becomes harder to search, for some people switching

It isn't really clear that splitting up your code into a bunch of files is always a good thing. Sometimes it becomes harder to search, for some people switching files incurs a sort of mental cost (like walking through a doorway), it can make compilation slower, and depending on your editor you might have to do some extra configuration to work well with your directory structure.