Comment by kelnos
2 days ago
Greg K-H's email acknowledges that mixed-language projects are difficult to deal with. But he makes a good mitigating point: they are all Linux kernel maintainers and developers, and they all already work on very hard things. They can handle this.
Sound like hubris. If you are already working at the human limit you definitely don't want to add any additional complexity.
It reminds of the "broken window theory" [1] in the sense that when two windows are broken, breaking a third one seems not to matter (I of course don't suggest that Rust programmers are criminals; I have no proof yet ;-). It is a trap one can easily fall into, e.g. "this method is already huge, adding a couple of lines to it doesn't make a difference".
[1] https://en.wikipedia.org/wiki/Broken_windows_theory
You are right, but this is being hedged against the advantages of adding Rust. I daresay no one would agree to more work for no perceived benefit. If you want to contest this tradeoff, that's a different tack.