Obviously my comment of irresponsibility was “given that there is a choice.”
Though that’s one nice thing about Swift: it has a very good interop’ with C now, and a “starting to get pretty good” interop’ with C++. So that can help, sometimes. (Obviously, I reiterate, I understand there are situations where the choice is just not possible, and enhancing C and C++ is indeed a good thing.)
The nice thing about Swift, or Java/Kotlin on Android, is the platform owner attitude, either adopt it, or go elsewhere, that is the only way safety improvements are pushed into mainstream.
Though that’s one nice thing about Swift: it has a very good interop’ with C now, and a “starting to get pretty good” interop’ with C++. So that can help, sometimes. (Obviously, I reiterate, I understand there are situations where the choice is just not possible, and enhancing C and C++ is indeed a good thing.)