> The central issue is that their experience with the old Fortran doesn't translate to modern Fortran; they are two different beasts.
This is so true! I hope anyone could spend a few minutes checking what modern Fortran is before blaming it. A good reference is https://fortran-lang.org/en/
The central issue is that their experience with the old Fortran doesn't translate to modern Fortran; they are two different beasts.