Now some good news

https://developers.slashdot.org/story/17/07/29/046258/how-rust-can-replace-c-in-python-libraries

Look at the comments. Looks like the masses have had enough of the cult.

C++ is not drawing any new users

Thats a myth, C++ dominates gamedev, math, AI, etc. forcing new users to learn C++
The only are where its not dominant is webdev and kernels(where C/ASM provide more of competition).
I can't think of any computing area without C++ libraries.