C++ programmers will not switch to Rust. Most of them are older than the maximum age where you can learn new things, let alone be willing (or allowed in their company) to do so.
Rust will be most popular with those who are 18 years old now and wanting to try native programming. When you compare the two, tabula rasa, it's just a no-brainer.
I'm not trolling. I'm confused why this is so controversial since it's widely accepted folk wisdom (and confirmed by science). Learning gets harder as you age. Just bing it.
People used to say the same about C++ vs. Java. (But hey, C++ devs were young back then, and many of them did switch to Java; didn’t hurt C++ though - it was the best who stayed.)
Rust will be most popular with those who are 18 years old now and wanting to try native programming. When you compare the two, tabula rasa, it's just a no-brainer.