I definitely think it matters. You’re right, the environment changes. It’s certainly an exercise in software engineering to modularize your application to have

I definitely think it matters. You’re right, the environment changes. It’s certainly an exercise in software engineering to modularize your application to have portable and non-portable parts. I like Lisp had treated this subject well; there are tons of libraries in Lisp that have been untouched for over a decade but still work fine.