I'm probably being trolled, but I'll bite. How big are the "real-world codebases" you're talking about, and how many programmers are working on the code? Once

I'm probably being trolled, but I'll bite. How big are the "real-world codebases" you're talking about, and how many programmers are working on the code? Once you hit 5-10 million lines of code and/or thousands of developers, static typing really helps manage complexity.