By the way, there's a lot of questions about the methodology of that paper: https://www.reddit.com/r/rust/comments/icaf19/we_tested_the_...
Im not even taken this research for granted, and are waiting for further work to really prove the points, or even going against them.
Im just using as a cautionary tale for people going too fast on some assumptions, and not taking care to study sample by sample.
I have no doubt that Rust have a great future ahead of it. But it will take more time and lines of code to turn all of those wishes people have into reality.