That's nice. Now do a multimillion lines of code, with non-statically checked codebases, multiple kinds of interface technologies and protocols, dynamic langua

That's nice. Now do a multimillion lines of code, with non-statically checked codebases, multiple kinds of interface technologies and protocols, dynamic languages which can compose variable names, including "yeS_this_is_master", etc. I know it's doable. But it has a cost.