On the phoronix forums there are people seething about Rust nonstop. Rust in the linux kernel is their favorite enemy and they will have very strong opinions about it without ever having written rust nor a line of code in the kernel.

Rust won't 100% replace C++ code in old code bases but I'm convinced that in 5-10 years the amount of new C++ code will fall behind Rust code.

@shape_warrior_t I think faster delivery is also a consequence of a good DX, managing dependencies and building with cargo is probably less cumbersome than installing specific toolchain and fighting makefiles and CMake.

Using the sum of C and C++ is a bit misleading. If you use C++20 or later with containers, smart pointers, ... the number of memory safety problems goes down a lot. But if you include all the problems from C and older C++...