There are idiomatic ways to use every language. Much in the same way that you can write C++ that looks a lot like C, you can write FORTRAN that looks almost exa

There are idiomatic ways to use every language. Much in the same way that you can write C++ that looks a lot like C, you can write FORTRAN that looks almost exactly like C. So if you have a lot of FORTRAN and thousands of C programmers, it isn't a huge problem. If your codebase was in COBOL, maybe you'd have a problem...