There is a cost to switching and introducing new technologies.
Otherwise you end up with a project which uses all of Python/Perl/Java/Julia/MATLAB/R/C++/Fortran/Rust/Go, because hey, for this particular problem X has the best solution so lets use that.
Otherwise you end up with a project which uses all of Python/Perl/Java/Julia/MATLAB/R/C++/Fortran/Rust/Go, because hey, for this particular problem X has the best solution so lets use that.